Stadium: Court 9 Round: 14 Ground: Grass
| ITF Japan F4 | 2017/03/31 02:30 | Seong Chan Hong v Yosuke Watanuki | 7-5,6-4 |
| Australian Open | 2023/01/18 10:20 | Sebastian Korda v Yosuke Watanuki | 6-2,7-5,6-4 |
| Australian Open | 2023/01/16 00:00 | Yosuke Watanuki v Arthur Rinderknech | 6-3,6-3,6-2 |
| Australian Open | 2023/01/12 04:35 | Juan Pablo Varillas v Yosuke Watanuki | 3-6,4-6 |
| Australian Open | 2023/01/11 06:10 | Mikhail Kukushkin v Yosuke Watanuki | 6-4,6-7,3-6 |
| Australian Open | 2023/01/10 03:10 | Philip Sekulic v Yosuke Watanuki | 4-6,2-6 |
| Challenger Canberra | 2023/01/06 04:55 | Marton Fucsovics v Yosuke Watanuki | 6-2,7-5 |
| Challenger Canberra | 2023/01/05 02:30 | Norbert Gombos v Yosuke Watanuki | 5-7,4-6 |
| Challenger Canberra | 2023/01/04 01:45 | Yosuke Watanuki v Jurij Rodionov | 6-4,5-7,7-6 |
| Challenger Chennai | 2023/02/15 06:45 | Arthur Cazaux v Seong Chan Hong | 6-3,6-4 |
| Challenger Chennai | 2023/02/13 08:20 | Seong Chan Hong v Sebastian Ofner | 6-4,6-3 |
| Davis Cup | 2023/02/05 06:50 | Seong Chan Hong v Zizou Bergs | 6-3,7-6 |
| Davis Cup | 2023/02/04 04:40 | Seong Chan Hong v David Goffin | 4-6,2-6 |
| Challenger Nonthaburi | 2023/01/21 03:30 | Sho Shimabukuro v Seong Chan Hong | 6-2,7-5 |
| Challenger Nonthaburi | 2023/01/20 03:30 | Michael Geerts v Seong Chan Hong | 1-6,5-7 |
| Challenger Nonthaburi | 2023/01/18 05:25 | Seong Chan Hong v Nam Hoang Ly | 6-2,7-6 |
| Challenger Nonthaburi | 2023/01/16 06:45 | Seong Chan Hong v Kasidit Samrej | 6-4,6-4 |