Stadium: Court 1 Round: 26
| ITF Thailand F1 | 2017/06/06 05:05 | Thomas Fancutt v Natthasith Kunsuwan | 6-4,6-2 |
| ITF Thailand F1 | 2018/08/21 07:10 | Natthasith Kunsuwan v Hao Yuan Ng | 6-2,7-5 |
| ITF Thailand F1 | 2018/08/20 06:25 | Natthasith Kunsuwan v Amaury De Beer | 6-0,6-2 |
| ITF Thailand F1 | 2018/08/19 02:00 | Natthasith Kunsuwan v Nutdanai Sincharoenwattana | 6-0,6-3 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Natthasith Kunsuwan v Jirat Navasirisomboon | 4-6,6-3,1-6 |
| ITF China F11 | 2018/07/17 01:00 | Natthasith Kunsuwan v Mitchell Thomas McDaniels | 6-4,1-6,1-6 |
| ITF China F10 Qual | 2018/07/07 05:00 | Natthasith Kunsuwan v Kousuke Ogura | 6-7,4-6 |
| ITF China F9 | 2018/07/04 03:00 | Natthasith Kunsuwan v Seong Chan Hong | 3-6,4-6 |
| ITF China F9 | 2018/07/03 09:45 | Natthasith Kunsuwan v Masayoshi Ono | 6-7,6-4,6-3 |
| ITF Thailand F1 | 2018/08/21 04:40 | Chayanon Kaewsuto v Thomas Fancutt | 1-6,5-7 |
| Challenger Aptos | 2018/08/04 23:40 | Yosuke Watanuki v Thomas Fancutt | 6-3,6-4 |
| Challenger Aptos | 2018/08/04 18:00 | Thomas Fancutt v Luke Bambridge | 3-6,6-3,6-4 |
| Challenger Lexington Qual | 2018/07/30 16:00 | Thomas Fancutt v Mikael Torpegaard | 3-6,0-6 |
| Challenger Lexington Qual | 2018/07/29 14:40 | Thomas Fancutt v Jorge Montero | 6-4,7-5 |
| Challenger Lexington Qual | 2018/07/28 15:30 | Luke Saville v Thomas Fancutt | 6-4,1-6,5-7 |
| Challenger Binghamton Qual | 2018/07/21 18:40 | Thomas Fancutt v Baptiste Crepatte | 1-6,4-6 |
| ITF Guam F1 | 2018/06/23 02:10 | Thomas Fancutt v Yuichi Ito | 6-7,4-6 |