Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Taipei | 2018/04/14 05:00 | Ramkumar Ramanathan v Go Soeda | 7-6,6-4 |
| Challenger Taipei | 2018/04/13 06:00 | Go Soeda v Evgeny Donskoy | 7-6,6-4 |
| Challenger Taipei | 2018/04/11 09:45 | Go Soeda v Ti Chen | 6-3,6-1 |
| Challenger Taipei | 2018/04/09 08:30 | Go Soeda v Dayne Kelly | 7-6,6-4 |
| Challenger Šen-čen | 2018/03/13 03:10 | Go Soeda v Salvatore Caruso | 4-6,6-4,4-6 |
| Challenger Ču-chaj | 2018/03/06 03:20 | Salvatore Caruso v Go Soeda | 6-3,6-4 |
| Challenger Jokohama | 2018/03/02 03:45 | Go Soeda v Yasutaka Uchiyama | 6-4,6-7,3-6 |
| Challenger Jokohama | 2018/03/01 03:55 | Go Soeda v Di Wu | 7-6,6-3 |
| Challenger Taipei | 2018/04/10 03:00 | Yuki Bhambri v Roberto Ortega-Olmedo | 6-7,6-3,6-3 |
| ITF Portugal F6 | 2018/03/29 09:30 | Roberto Ortega-Olmedo v Lloyd Harris | 6-4,6-7,4-6 |
| ITF Portugal F6 | 2018/03/28 09:30 | Roberto Ortega-Olmedo v Romain Barbosa | 5-7,6-4,7-6 |
| ITF Portugal F6 | 2018/03/27 13:40 | Roberto Ortega-Olmedo v Adrien Bossel | 6-7,6-3,6-3 |
| ITF Portugal F5 | 2018/03/25 10:30 | Lloyd Harris v Roberto Ortega-Olmedo | 4-6,6-1,6-0 |
| ITF Portugal F5 Qual | 2018/03/24 16:30 | Youssef Hossam v Roberto Ortega-Olmedo | 6-2,2-6,4-6 |
| ITF Portugal F5 | 2018/03/23 15:30 | Roberto Ortega-Olmedo v Robin Staněk | 6-3,6-3 |
| ITF Portugal F5 | 2018/03/22 14:40 | Roberto Ortega-Olmedo v Maximilian Neuchrist | 6-4,6-4 |