LONDON – Men to watch at Wimbledon, where play begins Monday:

Roger Federer

Seeded: 1

Ranked: 2

Age: 36

Country: Switzerland

2018 Match Record: 25-3

2018 Singles Titles: 3

Career Singles Titles: 98

Grand Slam Singles Titles: 20 – Wimbledon (’03, ‘04, ‘05, ‘06, ‘07, ‘09, ‘12, ‘17), U.S. Open (’04, ‘05, ‘06, ‘07, ‘08), Australian Open (’04, ‘06, ‘07, ‘10, ‘17, ‘18), French Open (’09)

Last 5 Wimbledons: ‘17-Won Championship, ‘16-Lost in Semifinals, ‘15-Runner-Up, ‘14-RU, ‘13-2nd

Aces: After skipping clay-court season for second year in a row, won title on grass at Stuttgart, then reached final at Halle before losing to Borna Coric, possible fourth-round opponent at Wimbledon.

Topspin: Even as 37th birthday (Aug. 8) nears, tough to count out Federer at a tournament he’s won more times than any other man.

Rafael Nadal

Seeded: 2

Ranked: 1

Age: 32

Country: Spain

2018 Match Record: 30-2

2018 Singles Titles: 4

Career Singles Titles: 79

Grand Slam Singles Titles: 17 – Wimbledon (’08, ‘10), U.S. Open (’10, ‘13, ‘17), French Open (’05, ‘06, ‘07, ‘08, ‘10, ‘11, ‘12, ‘13, ‘14, ‘17, ‘18), Australian Open (’09)

Last 5 Wimbledons: ‘17-4th, ‘16-Did Not Play, ‘15-2nd, ‘14-4th, ‘13-1st

Aces: Has not competed since winning record-extending 11th French Open title on June 10. … Four of past five Wimbledon losses came against opponents ranked 100th or worse.

Topspin: Since reaching the final in five consecutive Wimbledon appearances from 2006-11, hasn’t been past the fourth round.

Marin Cilic

Seeded: 3

Ranked: 5

Age: 29

Country: Croatia

2018 Match Record: 27-9

2018 Singles Titles: 1

Career Singles Titles: 18

Grand Slam Singles Titles: 1 – U.S. Open (’14)

Last 5 Wimbledons: ‘17-RU, ‘16-QF, ‘15-QF, ‘14-QF, ‘13-2nd

Aces: Runner-up to Federer at two of the past four majors. … Won Queen’s Club grass-court tuneup last week, beating Novak Djokovic in the final.

Topspin: When his serve and forehand are clicking, as big a threat as anyone to make a deep run.

Juan Martin del Potro

Seeded: 5

Ranked: 4

Age: 29

Country: Argentina

2018 Match Record: 28-7

2018 Singles Titles: 2

Career Singles Titles: 22

Grand Slam Singles Titles: 1 – U.S. Open (’09)

Last 5 Wimbledons: ‘17-2nd, ‘16-3rd, ‘15-DNP, ‘14-DNP, ‘13-SF

Aces: Back at career-best No. 4 in rankings after semifinal run at Roland Garros.

Topspin: Biggest forehand in the game could carry him far at All England Club.

John Isner

Seeded: 9

Ranked: 10

Age: 33

Country: United States

2018 Match Record: 16-11

2018 Singles Titles: 1

Career Singles Titles: 13

Grand Slam Singles Titles: 0 – Best: QF, U.S. Open (’11)

Last 5 Wimbledons: ‘17-2nd, ‘16-3rd, ‘15-3rd, ‘14-3rd, ‘13-2nd

Aces: Ranks 2nd in 2018 in aces and percentage of service games won.

Topspin: Never has put together a second-week run at the place where he won the longest tennis match in history in 2010.

Novak Djokovic

Seeded: 12

Ranked: 17

Age: 31

Country: Serbia

2018 Match Record: 18-9

2018 Singles Titles: 0

Career Singles Titles: 68

Grand Slam Singles Titles: 12 – Wimbledon (’11, ‘14, ‘15), U.S. Open (’11, ‘15), Australian Open (’08, ‘11, ‘12, ‘13, ‘15, ‘16), French Open (’16)

Last 5 Wimbledons: ‘17-QF, ‘16-3rd, ‘15-W, ‘14-W, ‘13-RU

Aces: Reached 1st tour final in nearly a year last week, and it was on grass. Good sign as he tries to come back from right elbow troubles.

Topspin: Has won 12 of past 15 matches after going 6-6 to start 2018.

Nick Kyrgios

Seeded: 15

Ranked: 19

Age: 23

Country: Australia

2018 Match Record: 16-6

2018 Singles Titles: 1

Career Singles Titles: 4

Grand Slam Singles Titles: 0 – Best: QF, Wimbledon (’14), Australian Open (’15)

Last 5 Wimbledons: ‘17-1st, ‘16-4th, ‘15-4th, ‘14-QF, ‘13-DNP

Aces: Only three players have hit more aces or won a higher percentage of service games this season.

Topspin: If he can maintain focus and play up to his abilities, can go far on a surface that suits his game.

Andy Murray

Seeded: Unseeded

Ranked: 156

Age: 31

Country: Britain

2018 Match Record: 1-2

2018 Singles Titles: 0

Career Singles Titles: 45

Grand Slam Singles Titles: 3 – Wimbledon (’13, ‘16), U.S. Open (’12)

Last 5 Wimbledons: ‘17-QF, ‘16-W, ‘15-Lost in Semifinals, ‘14-QF, ‘13-W

Aces: Ranks 3rd among all active players in career percentage of return games won, trailing only Nadal and Djokovic.

Topspin: Played only three matches in the last year because of hip surgery. … Streak of making at least QFs in last 10 Wimbledon appearances could be in danger.