Stadium: Court A Round: 27
| ITF Thailand F1 | 2018/08/22 04:40 | Navasirisomboon, Jirat v Kerdlaphee, Phongsapak | 7-5,6-2 |
| ITF Thailand F1 | 2018/08/20 05:10 | Kuan-Yi Lee v Navasirisomboon, Jirat | 3-6,4-6 |
| ITF Indonesia F3 Qual | 2018/08/05 02:30 | Alexander Babanine v Navasirisomboon, Jirat | 3-6,6-2,7-6 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Natthasith Kunsuwan v Navasirisomboon, Jirat | 4-6,6-3,1-6 |
| ITF Malaysia F3 | 2018/07/18 04:30 | Kim, Cheong-Eui v Navasirisomboon, Jirat | 6-2,6-4 |
| ITF Malaysia F3 | 2018/07/17 02:00 | Addison, Aaron v Navasirisomboon, Jirat | 6-0,3-6,0-6 |
| ITF Malaysia F2 | 2018/07/09 03:00 | Shirafuji, Naru v Navasirisomboon, Jirat | 2-6,6-2,7-5 |
| ITF Malaysia F2 | 2018/07/08 08:00 | Navasirisomboon, Jirat v Nenwani, Anurag | 6-4,6-2 |
| ITF Thailand F1 | 2018/08/22 04:50 | Khunjan, Nawakarn v Rikl, Patrik | 2-6,2-6 |
| ITF Thailand F1 | 2018/08/20 05:00 | Borisutpong, Pattanapong v Rikl, Patrik | 2-6,2-6 |
| Challenger Liberec | 2018/07/31 09:30 | Benjamin Bonzi v Rikl, Patrik | 2-6,6-2,6-1 |
| Challenger - Prague | 2018/07/25 13:55 | Moraing, Mats v Rikl, Patrik | 4-6,6-3,6-2 |
| Challenger - Prague | 2018/07/23 12:00 | Rikl, Patrik v Nedelko, Ivan | 5-7,7-5,6-4 |
| ITF Czech Republic F6 | 2018/07/13 09:00 | Mertl, Jan v Rikl, Patrik | 6-2,4-6,7-6 |
| ITF Czech Republic F6 | 2018/07/12 09:00 | Paroulek, Tadeas v Rikl, Patrik | 5-7,0-6 |
| ITF Czech Republic F6 | 2018/07/11 12:35 | Stanek, Robin v Rikl, Patrik | 6-4,3-6,0-6 |