| ATP Halle Qual | 2016/06/12 10:00 | Tatsuma Ito v Yuichi Sugita | 2-6,4-6 |
| ATP Halle Qual | 2016/06/11 09:00 | Lukas Rosol v Tatsuma Ito | 6-7,3-6 |
| French Open Qual | 2016/05/16 15:00 | Tatsuma Ito v Peter Gojowczyk | 4-6,3-6 |
| Challenger Le Gosier | 2016/04/08 19:30 | Tatsuma Ito v Taylor Fritz | 7-6,4-6,4-6 |
| Challenger Le Gosier | 2016/04/06 19:30 | Tatsuma Ito v Andre Ghem | 7-6,6-2 |
| Challenger Le Gosier | 2016/04/04 21:25 | Tatsuma Ito v Julien Dubail | 6-2,6-7,6-4 |
| Challenger Leon | 2016/03/30 22:50 | Alejandro Gonzalez v Tatsuma Ito | 6-4,7-5 |
| ATP Miami | 2016/03/26 18:00 | Gael Monfils v Tatsuma Ito | 6-3,6-2 |
| ITF Spain F26 | 2016/08/17 16:25 | Aitor S Llopis v Yusuke Watanuki | 6-2,6-4 |
| ITF Spain F26 | 2016/08/15 14:00 | Luis F Labarta v Yusuke Watanuki | 0-6,2-6 |
| ITF Spain F25 | 2016/08/11 09:30 | Viktor Durasovic v Yusuke Watanuki | 6-3,6-3 |
| ITF Spain F25 | 2016/08/10 10:50 | Oscar M Cornella v Yusuke Watanuki | 1-6,0-6 |
| ITF Spain F24 | 2016/08/04 09:00 | Yannick Mertens v Yusuke Watanuki | 6-4,6-4 |
| ITF Spain F24 | 2016/08/02 18:30 | Yusuke Watanuki v Manuel Montalvo Hidalgo | 6-4,6-1 |
| ITF Japan F8 | 2016/06/19 02:00 | Gengo Kikuchi v Yusuke Watanuki | 4-6,7-6,6-0 |
| ITF Japan F8 | 2016/06/18 03:15 | Yusuke Watanuki v Renta Tokuda | 7-5,6-2 |