Tatsuma Ito (#no-rank)
| atpworldtour.com | ATP | Country |  Japan |
| Wikipedia | Eng / Fr | Birth | 1988-05-18 - age 36 |
| Career best ranking | 60 - 2012-10-22 - age 24 (+5 M) | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (in.) | 6 | 4 | 60.00% |
| Hard (out.) | 3 | 10 | 23.08% |
| Grass | 2 | 3 | 40.00% |
| Clay | 0 | 1 | 0.00% |
| TOTAL | 11 | 18 | 37.93% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2021-03-01 | Challenger |  Nur-Sultan 2 | Hard (in.) | 8e | #204 |  #138 Prajnesh Gunneswaran | 6/3 2/0 ret. | |
| 2 | 2021-03-01 | Challenger | Nur-Sultan 2 | Hard (in.) | 16e | #204 | #390 Denis Yevseyev | 6/4 2/6 6/3 | |
| 3 | 2020-01-20 | GS |  Australian Open | Hard (out.) | 32e | #144 |  #2 Novak Djokovic | 6/1 6/4 6/2 | |
| 4 | 2020-01-20 | GS | Australian Open | Hard (out.) | 64e | #144 | #122 Prajnesh Gunneswaran | 6/4 6/2 7/5 | |
| 5 | 2019-09-23 | 250 |  Zhuhai Championships | Hard (out.) | 16e | #139 | #325 Di Wu | 3/6 6/3 7/5 | |
| 6 | 2019-06-10 | Challenger |  Nottingham Open | Grass | 8e | #157 |  #149 Lukas Rosol | 6/4 6/7(0) 6/3 | |
| 7 | 2019-06-10 | Challenger | Nottingham Open | Grass | 16e | #157 |  #107 Marcel Granollers | 6/3 7/5 | |
| 8 | 2019-06-10 | Challenger | Nottingham Open | Grass | 32e | #157 | #168 Jason Kubler | 6/4 6/4 | |
| 9 | 2019-04-08 | Challenger |  Taipei Challenger | Hard (in.) | QF | #146 |  #124 Sergiy Stakhovsky | 7/6(3) 6/7(5) 6/4 | |
| 10 | 2019-04-08 | Challenger | Taipei Challenger | Hard (in.) | 8e | #146 |  #130 Kamil Majchrzak | 6/7(3) 7/6(7) 7/6(2) | |
| 11 | 2019-04-08 | Challenger | Taipei Challenger | Hard (in.) | 16e | #146 | #10000 Kuan-Yi Lee | 6/3 6/3 | |
| 12 | 2019-03-07 | 1000 |  Indian Wells Masters | Hard (out.) | 64e | #148 | #192 Jared Donaldson | 6/3 7/5 | |
| 13 | 2019-01-14 | GS | Australian Open | Hard (out.) | 64e | #151 | #190 Daniel Evans | 7/5 6/1 7/6(8) | |
| 14 | 2018-09-24 | 250 | Shenzhen Open | Hard (out.) | 16e | #173 | #75 Taro Daniel | 2/6 7/5 7/6(5) | |
| 15 | 2017-11-13 | Finals | LLTL Finals - Ch125 Toyota | Hard (in.) | QF | #151 | #262 Hubert Hurkacz | 6/0 4/0 ret. | |
| 16 | 2017-11-13 | Finals | LLTL Finals - Ch125 Toyota | Hard (in.) | 8e | #151 | #387 Hiroyasu Ehara | 6/2 6/1 | |
| 17 | 2017-11-13 | Finals | LLTL Finals - Ch125 Toyota | Hard (in.) | 16e | #151 |  #323 Stephane Robert | 6/3 5/7 6/2 | |
| 18 | 2017-06-12 | 250 |  's-Hertogenbosch | Grass | 16e | #173 |  #83 Andreas Seppi | 6/3 3/6 6/3 | |
| 19 | 2016-03-23 | 1000 | Miami Masters | Hard (out.) | 64e | #120 | #42 Nicolas Mahut | 7/6(3) 6/2 | |
| 20 | 2016-03-23 | 1000 | Miami Masters | Hard (out.) | 32e | #120 | #16 Gael Monfils | 6/3 6/2 | |
| 21 | 2016-01-18 | GS | Australian Open | Hard (out.) | 64e | #123 | #186 Radek Stepanek | 6/4 6/3 6/7(5) 6/2 | |
| 22 | 2015-09-28 | 250 | Malaysia Malaysian Open | Hard (in.) | 16e | #129 |  #104 Jarkko Nieminen | 6/2 7/6(3) | |
| 23 | 2015-09-28 | 250 | Malaysia Malaysian Open | Hard (in.) | 8e | #129 | #42 Nick Kyrgios | 6/3 6/2 | |
| 24 | 2015-05-24 | GS | Roland Garros | Clay | 64e | #108 | #29 Fabio Fognini | 6/3 6/2 6/2 | |
| 25 | 2015-03-12 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #87 |  #88 Malek Jaziri | 7/5 6/1 | |
| 26 | 2015-01-19 | GS | Australian Open | Hard (out.) | 64e | #88 |  #34 Martin Klizan | 7/6(6) 6/2 6/4 | |
| 27 | 2014-08-25 | GS | US Open | Hard (out.) | 64e | #127 | #49 Steve Johnson | 6/2 3/6 5/7 4/1 ret. | |
| 28 | 2014-08-25 | GS | US Open | Hard (out.) | 32e | #127 | #21 Feliciano Lopez | 6/4 3/6 6/4 7/6(4) | |
| 29 | 2014-06-23 | GS | Wimbledon | Grass | 64e | #129 | #132 Simone Bolelli | 7/5 7/6(3) 3/6 7/6(5) |
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