Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/06/06 08:00 | Ko Suzuki v Paul Spencer | 6-1,6-3 |
| ITF M15 Changwon | 2019/10/16 03:10 | Yuta Shimizu v Ko Suzuki | 6-2,6-2 |
| ITF M15 Hua Hin | 2019/08/27 04:00 | Ko Suzuki v Young-Hoon Jeong | 4-6,6-2,3-10 |
| ITF M15 Hua Hin | 2019/08/21 03:00 | Ko Suzuki v Soichiro Moritani | 4-6,4-6 |
| ITF M15 Akishima | 2019/06/12 02:30 | Rio Noguchi v Ko Suzuki | 6-3,1-6,6-3 |
| ITF M15 Akishima | 2019/06/11 03:00 | Ko Suzuki v Kazuki Shimizu | 7-5,6-3 |
| ITF M15 Akishima | 2019/06/11 00:00 | Masayoshi Ono v Ko Suzuki | 2-6,3-6 |
| ITF M15 Guam | 2019/06/08 00:00 | Ko Suzuki v Hiroyasu Ehara | 4-6,1-6 |
| ITF M15 Monastir | 2021/06/06 08:00 | Leonardo L Linquet v Yannick Wunderlich | 3-6,5-7 |
| ITF M15 Monastir | 2021/05/31 08:00 | Mauro De Maio v Yannick Wunderlich | 6-0,7-6 |
| ITF M15 Monastir | 2021/05/30 10:30 | Yannick Wunderlich v Skander Ben Abdallah | 6-0,6-1 |
| ITF M15 Monastir | 2021/05/24 08:00 | Uisung Park v Yannick Wunderlich | 6-4,6-3 |
| ITF M15 Monastir | 2021/05/23 09:00 | Yannick Wunderlich v Thomas George Brun | 6-1,6-3 |
| ITF M15 Monastir | 2021/03/29 09:00 | Yannick Wunderlich v Bradley Paliska | 3-6,4-6 |