1. Yevgeny Kafelnikov, Russia ----------------------------- Age: 25 Height: 6'3" Weight: 179 Plays: Right-handed Career Titles: 19 Won his second career Grand Slam at Australian Open in January; on May 3, became the 16th No. 1 player and the first Russian to hold the top spot since the ATP Tour rankings were established in 1973; claimed his 19th career title in February at ABN/AMRO World Tennis Tournament in Rotterdam; three years ago won the French Open singles and doubles crowns with the loss of just one set; also was the first player to win both titles at Roland Garros since Ken Rosewall in 1968; added another French Open doubles title in 1997; suffered a seven-match tour losing streak earlier this month but has reached quarterfinals at this week's International Raiffeisen Grand Prix at St. Polten, Austria; won three career claycourt titles but none since his triumph at Roland Garros; has also advanced to semifinals in 1995 and quarterfinals in 1997 but fell in second round last year; his results at this event will directly effect whether he stays at No. 1; possesses excellent all-around game with strong ground strokes, effective serve, and solid volleys but needs patience and a high first-serve percentage to be successful on clay. 2. Pete Sampras, United States ------------------------------ Age: 27 Height: 6'1" Weight: 170 Plays: Right-handed Career Titles: 56 He has won 11 Grand Slams, one short of Roy Emerson's all-time record, but never the French Open, where the red clay takes the bite out of the American's serve-and-volley game; finished 1998 with the No. 1 ranking for a record sixth straight year; can reclaim the top spot and move closer to eclipsing Ivan Lendl's all-time record of 270 weeks at No. 1 with a win; has played in only six tournaments in 1999 due to a season-opening vacation and assorted ailments. His best results of the year were a semifinal appearance at the Sybase Open and a quarterfinal match at the Lipton Championships; is 22-9 at French Open with his best result coming in 1996 when he reached the semifinals; also a four-time quarterfinalist at Roland Garros; fell to Ramon Delgado in the second round last year; won two singles matches this week at the ATP Tour World Team Championship in Dusseldorf, Germany. 3. Patrick Rafter, Australia ---------------------------- Age: 26 Height: 6'1" Weight: 175 Plays: Right-handed Career Titles: 8 The two-time defending U.S. Open champion has lost in the second round or earlier in three of the last four years at French Open but was a semifinalist in 1997; has not won a title this season but was runner-up at last week's Italian Open in Rome; could become the first No. 1 from Australia since John Newcombe in 1974 with a win at Roland Garros; his serve-and-volley game that has served him well on hard courts is less effective on clay, where his kick serve lacks bite; lost to Jason Stoltenberg in the second round at last year's French Open and third round to Thomas Enqvist at the Australian Open in January. 4. Carlos Moya, Spain --------------------- Age: 22 Height: 6'3" Weight: 177 Plays: Right-handed Career Titles: 5 Defending champion won his first Grand Slam title last year with victory over good friend Alex Corretja in an all-Spanish final; took over the top spot for two weeks in March, becoming the 15th player and the first Spaniard to hold the No. 1 ranking; can jump to the top again if he wins but will lose many ranking points he fails to defend his title; has not won a title since his grand slam triumph in Paris; owns a 12-5 match record on clay this season with two wins and a loss this week at the ATP Tour World Team Championship in Dusseldorf, Germany; is having a solid claycourt season, reaching the semifinals at the German Open and the quarterfinals at the Open Seat Godo in Barcelona and the Monte Carlo Open; has excellent ground strokes and speed along the baseline, putting him in good position to become the first repeat winner at Roland Garros since countryman Sergi Bruguera captured the titles in 1993 and 1994. 5. Richard Krajicek, Netherlands -------------------------------- Age: 27 Height: 6'5" Weight: 196 Plays: Right-handed Career Titles: 17 Captured his lone Grand Slam title at Wimbledon in 1996 and reached the French Open quarterfinals that same year; is 19-8 at Roland Garros, including a semifinal showing in 1992; won two titles this season at Guardian Direct Cup in London and the Lipton Championships at Key Biscayne, Florida; fell in the third round at the Australian Open to Wayne Ferreira but has reached the fourth round or better at three of his last five Grand Slams; lost in second round of his only two claycourt events of the season; depends on his big serve to win matches but has the capability to rally on clay. 6. Alex Corretja, Spain ----------------------- Age: 25 Height: 5'11" Weight: 155 Plays: Right-handed Career Titles: 9 Last year's runner-up is looking for his first Grand Slam title; lost in the second round of the Australian Open to Christian Ruud and has exited a Grand Slam event in the third round or earlier in nine time out of 13; owns five claycourt titles but is best result on the dirt this season came at the Italian Open in Rome; notched his greatest career victory last year at the season-ending ATP Tour World Championships in Hannover, Germany; is seventh among active players with 185 match wins on clay; one of the fittest players on the tour, with a strong baseline game. 7. Tim Henman, Great Britain ---------------------------- Age: 24 Height: 6'1" Weight: 155 Plays: Right-handed Career Titles: 4 Has never won a match at French Open in three tries; clay is not suited to his attacking game and is vulnerable on the surface; reached first career Grand Slam semifinal last year at Wimbledon but has lost in the third round or earlier in 11 of 16 major championships he has participated; struggled on clay until he won the doubles at the Monte Carlo Open, then reached quarterfinals of the German Open and Italian Open third round; went 0-3 at this week's ATP Tour World Team Championship at Dusseldorf, Germany. 8. Gustavo Kuerten, Brazil -------------------------- Age: 22 Height: 6'3" Weight: 167 Plays: Right-handed Career Titles: 5 Entered the 1997 French Open as an unknown and emerged as the first Brazilian man to win a Grand Slam title, defeated defending champion Yevgeny Kafelnikov, former champion Thomas Muster and two-time champ Sergi Bruguera en route to the title; emerged as favorite for this year's crown with wins at the Monte Carlo Open and Italian Open; also was a quarterfinals at the German Open; has won 18 of 21 matches on clay this season and all five of his career titles have come on the surface. 9. Marcelo Rios, Chile ---------------------- Age: 22 Height: 5'9" Weight: 160 Plays: Left-handed Career Titles: 13 Has had a breakout year in 1998, leading the ATP Tour with five titles and enjoyed a brief reign as the world's No. 1 player; also led the ATP Tour in match wins with 35; missed early portion of the season with a stress fracture in his back; is 19-4 on clay this season, capturing the German Open for first title of the season; also reached the championship match at the Monte Carlo Open and this week's International Raiffeisen Grand Prix at St. Polten, Austria; seven of his 13 career victories have come on clay; is searching for his first Grand Slam triumph, having reached the finals of the 1998 Australian Open and the quarterfinals at Roland Garros later that year; has advanced to the fourth round or better in six of his last eight Grand Slam events; owns excellent claycourt game with explosive ground strokes. 10. Mark Philippoussis, Australia --------------------------------- Age: 22 Height: 6'4" Weight: 202 Plays: Right-handed Career Titles: 7 Started the season strong by helping Australia to the Hopman Cup in Perth and captured titles at Sybase Open at San Jose and the Champions Cup at Indian Wells; has reached the fourth round or better at his last three Grand Slams, advancing to his first final at the U.S. Open last September; best result on clay this season was a quarterfinal finish at the Monte Carlo Open but is 3-0 this week at the ATP Tour World Team Championship. 11. Karol Kucera, Slovakia -------------------------- Age: 24 Height: 6'2" Weight: 170 Plays: Right-handed Career Titles: 4 Has lost in the first round in five of his last eight Grand Slams but reached two quarterfinals and semifinals in other three; went 2-1 this week at the ATP Tour World Team Cup to raise his season match record on clay to 5-3; other results on the dirt this season are second round loss at the Monte Carlo Open and the Italian Open; completed his best season last season with his first top 10 finish, two tour titles in four finals and a personal-best 53 match victories; has a smooth baseline game with possibly the best return of serve; overall style remeniscent of his coach Miloslav Mecir, who reached two Grand Slam finals. 12. Greg Rusedski, Great Britain -------------------------------- Age: 25 Height: 6'4" Weight: 190 Plays: Left-handed Career Titles: 7 Hard-serving Brit comes into the year's second Grand Slam event having lost eight of his last last 10 matches, including five of of seven on clay; is just 18-26 on clay over his career; has lost in first round in 10 of 21 career Grand Slam events in is just 3-4 lifetime at the French Open; his best results at a Grand slam came at the U.S. Open in 1997, when he reached his first and major final; has not won a title this year after winning two in 1998, with his only runner-up finish coming at the Guardian Direct Cup in London. 13. Andre Agassi, United States ------------------------------- Age: 29 Height: 5'11" Weight: 165 Plays: right-handed Career Titles: 40 Status for this event is iffy after he has suffered with a sore right shoulder the past two months; the injury force him to retire from his lone match at this week's ATP Tour World Team Cup; the former world number one player jump-started his career in 1998, winning 68 of 86 matches after going 12-12 in 1997; finished tied with Marcelo Rios for most match victories on the ATP Tour; won five titles (Sybase Open, Franklin Templeton Tennis Classic, Legg Mason Classic, Mercedes-Benz Cup, and Czech Indoor) and reached the final of five other tournaments; he won his only title of the year and 40th career crown at the Salem Open in Japan in early April; a three-time grand slam winner but failed to win the title at Roland Garros, reaching the final twice in 1990 and 1991; is 31-10 at the French Open, also advancing to the semifinals in 1988 and 1992. 14. Felix Mantilla, Spain ------------------------- Age: 24 Height: 5'10" Weight: 162 Plays: Right-handed Career Titles: 8 Has advanced past the third round of a Grand Slam tournament just twice twice, reaching the quarterfinals of the Australian Open in 1997 and the semifinals at the French Open in 1998; all eight of his career titles have come on his favorite surface, clay, where he owns a 139-52 match record; won title this year at the Open Seat Godo at Barcelona in April; uses extreme top-spin ground stokes, good court speed and patience to win on the dirt. 15. Goran Ivanisevic, Croatia ----------------------------- Age: 27 Height: 6'4" Weight: 180 Plays: Left-handed Career Titles: 21 Popular lefty is mired in horrid slump, losing seven of his last eight matches, and goes into the year's second Grand Slam with a 7-11 record; has lost in the first round the last two years in Paris and in four of his last seven Grand Slam events; his best results at majors have come at Wimbledon, where he is a three-time finalist; has not won a title since taking the title in his hometown of Split, Croatia in February, 1998; is just 1-5 on clay this season. 16. Thomas Enqvist, Sweden -------------------------- Age: 25 Height: 6'3" Weight: 187 Plays: Right-handed Career Titles: 14 Reached his first career Grand Slam title at the Australian Open in January, losing to Yevgeny Kafelnikov after winning the first set; previously had not got past the fourth round in his last eight majors; started the season with an 11-match winning streak -- winning the title at the Australian Hardcourt Championships at Adelaide; was a semifinalist at the Lipton Championships in March; is just 2-5 at the French Open over his career; went just 1-3 on clay this season before winning three matches for Sweden at the ATP Tour World Team Championships this week.  