Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Ortisei | 2019/11/15 11:00 | Antoine Hoang v Elliot Benchetrit | 6-2,6-0 |
| Challenger Ortisei | 2019/11/14 12:45 | Elliot Benchetrit v Salvatore Caruso | 6-3,6-2 |
| Challenger Ortisei | 2019/11/12 12:00 | Elliot Benchetrit v Julian Ocleppo | 6-3,6-0 |
| Challenger Bratislava | 2019/11/04 19:00 | Ilya Ivashka v Elliot Benchetrit | 6-1,7-6 |
| ATP Paris | 2019/10/26 10:25 | Sam Querrey v Elliot Benchetrit | 6-4,6-2 |
| Challenger Brest | 2019/10/22 18:45 | Elliot Benchetrit v Jaume Munar | 3-6,3-6 |
| Challenger Brest | 2019/10/21 17:15 | Elliot Benchetrit v Aslan Karatsev | 6-3,7-5 |
| ATP Moscow | 2019/10/12 10:15 | Egor Gerasimov v Elliot Benchetrit | 6-0,6-3 |
| Challenger Kobe | 2019/11/06 01:30 | Luke Saville v Ken Onishi | 6-2,6-2 |
| ITF M25 Taipei | 2019/07/22 04:00 | Han-Chih Lin v Ken Onishi | 6-7,6-3,10-6 |
| ITF M25 Taipei | 2019/07/15 02:00 | Hao-Hsiang Liao v Ken Onishi | 7-6,7-6 |
| ITF M15 Gimcheon | 2019/06/17 05:20 | Ju-Hae Moon v Ken Onishi | 2-6,6-3,10-6 |
| ITF M15 Gimcheon | 2019/06/13 01:30 | Ken Onishi v Seong Chan Hong | 1-6,2-6 |
| ITF M15 Gimcheon | 2019/06/12 01:00 | Ken Onishi v Cing-Yang Meng | 6-4,6-4 |
| ITF M15 Gimcheon | 2019/06/11 01:00 | Ken Onishi v Seung-Hun Shin | 7-6,6-3 |
| ITF M15 Daegu | 2019/06/05 01:00 | Ken Onishi v Oh-Hee Kwon | 2-6,2-6 |