Stadium: COURT 1 Round: 25
| ITF Guam F1 | 2018/06/20 01:50 | Kazuma Kawachi v Thomas Fancutt | 6-1,4-6,6-7 |
| ITF Guam F1 | 2018/06/19 00:00 | Kazuma Kawachi v Yuichiro Inui | 6-7,6-1,6-2 |
| ITF Japan F8 | 2018/06/14 03:00 | Kawakami, Rimpei v Kazuma Kawachi | 6-1,2-6,7-6 |
| ITF Japan F8 | 2018/06/12 01:00 | Ono, Masayoshi v Kazuma Kawachi | 4-6,0-6 |
| ITF Japan F7 | 2018/06/05 01:00 | Yuki Mochizuki v Kazuma Kawachi | 6-1,6-2 |
| ITF China F7 | 2018/05/29 03:20 | Aoran Wang v Kazuma Kawachi | 6-2,6-1 |
| ITF Nigeria F3 | 2018/05/01 09:00 | Kazuma Kawachi v Karim-Mohamed Maamoun | 4-6,2-6 |
| ITF Nigeria F3 Qual | 2018/04/29 09:00 | Kazuma Kawachi v Raman, Rishabdev | 6-1,7-5 |
| ITF Malaysia F3 | 2017/10/31 01:30 | Lee, Christian Oliver v Baltensperger, Raphael | 2-6,2-6 |
| ITF Malaysia F2 | 2017/10/24 01:00 | Dijkhuizen, Marc v Lee, Christian Oliver | 6-2,6-0 |
| ITF Malaysia F1 | 2017/10/16 01:00 | Alberto Lim v Lee, Christian Oliver | 6-3,6-4 |
| ITF Hong Kong F3 | 2017/07/03 07:20 | Lee, Christian Oliver v Jumpei Yamasaki | 0-6,0-6 |
| ITF Hong Kong F3 | 2017/07/01 02:00 | Lee, Christian Oliver v Geiwald, Douglas | 6-2,4-6,6-1 |
| ITF Thailand F1 | 2017/06/17 05:30 | Mulada, Tonkla v Lee, Christian Oliver | 6-2,4-6,6-2 |
| ITF Thailand F2 | 2017/06/10 03:00 | Lee, Christian Oliver v Khunjan, Nawakarn | 2-6,2-6 |
| ITF Singapore F3 | 2017/06/07 02:00 | Chandrasekar, Anirudh v Lee, Christian Oliver | 6-4,6-4 |