Home History
| ITF Hungary F1 | 2017/05/10 08:00 | Attila Balazs v Alexandar Lazarov | 6-2,7-5 |
| Challenger Ostrava | 2017/05/06 11:05 | Marco Cecchinato v Attila Balazs | 6-7,6-4,6-4 |
| Challenger Ostrava | 2017/05/05 11:20 | Simone Bolelli v Attila Balazs | 7-6,3-6,4-6 |
| Challenger Ostrava | 2017/05/03 10:25 | Attila Balazs v Lukas Rosol | 6-3,6-3 |
| Challenger Ostrava | 2017/05/02 08:00 | Attila Balazs v Jordi Samper-Montana | 6-2,6-3 |
| Challenger Ostrava Qual | 2017/05/01 09:00 | Attila Balazs v Dragos Dima | 6-3,6-7,6-1 |
| Challenger Ostrava Qual | 2017/04/30 09:55 | Attila Balazs v Peter Torebko | 6-3,6-4 |
| ATP Budapest Qual | 2017/04/23 11:55 | Attila Balazs v Bjorn Fratangelo | 3-6,7-5,4-6 |
Away History
| ITF Hungary F1 | 2017/05/10 08:00 | Alexander Ovcharov v Ken Onishi | 1-6,3-6 |
| ITF Hungary F1 | 2017/05/08 08:00 | Ken Onishi v Aljaz Radinski | 6-3,7-5 |
| ITF Japan F5 | 2017/04/03 06:20 | Ken Onishi v Ryota Tanuma | 6-7,2-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Ken Onishi v Yosuke Watanuki | 2-6,5-7 |
| ITF Japan F4 | 2017/03/29 01:00 | Masaya Kobayashi v Ken Onishi | 4-6,6-7 |
| Challenger Bangkok 2 Qual | 2017/01/07 08:15 | Ken Onishi v Jimmy Wang | 1-6,4-6 |
| ITF Hong Kong F1 | 2017/01/05 02:00 | Ken Onishi v Takuto Niki | 4-6,1-6 |
| ITF Hong Kong F1 | 2017/01/04 04:50 | Ken Onishi v Pak Long Yeung | 6-4,6-2 |