Stadium: Cancha 8 Round: 26 Ground: Clay
| ATP Quito Qual | 2018/02/04 17:00 | Andrej Martin v Pedro Sakamoto | 6-4,6-4 |
| ATP Quito Qual | 2018/02/03 16:00 | Pedro Sakamoto v Daniel Munoz-De La Nava | 3-6,6-4,6-4 |
| ITF USA F6 | 2018/01/30 16:00 | Junior Alexander Ore v Pedro Sakamoto | 5-7,6-4,7-6 |
| ITF USA F5 | 2018/01/26 15:30 | Pedro Sakamoto v Roberto Cid Subervi | 0-6,1-6 |
| ITF USA F5 | 2018/01/25 16:50 | Pedro Sakamoto v Eros Siringo | 6-3,6-3 |
| ITF USA F5 | 2018/01/23 15:00 | Pedro Sakamoto v Louis Wessels | 6-4,7-6 |
| ITF USA F4 | 2018/01/20 16:50 | Pedro Sakamoto v Julien Cagnina | 1-6,4-6 |
| ITF USA F4 | 2018/01/19 15:00 | Pedro Sakamoto v Roberto Cid Subervi | 6-1,6-4 |
| Challenger Budapest | 2018/02/07 09:00 | Pedja Krstin v Viktor Galovic | 2-6,0-6 |
| Davis Cup | 2018/02/04 12:55 | Pedja Krstin v Steve Johnson | 6-1,7-5 |
| Australian Open Qual | 2018/01/12 00:30 | Pedja Krstin v Quentin Halys | 6-4,3-6,0-6 |
| Australian Open Qual | 2018/01/10 06:00 | Adam Pavlasek v Pedja Krstin | 6-3,3-6,6-7 |
| Challenger Playford | 2018/01/02 00:30 | Pedja Krstin v Kamil Majchrzak | 6-4,6-7,5-7 |
| Challenger Pune | 2017/11/15 06:30 | Saketh Myneni v Pedja Krstin | 4-6,6-2,6-0 |
| Challenger Pune | 2017/11/14 10:25 | Antoine Escoffier v Pedja Krstin | 4-6,6-7 |
| Challenger Bratislava | 2017/11/08 16:05 | Pedja Krstin v Lukas Klein | 7-6,3-6,4-6 |