Stadium: Court 3 Round: 25 Ground: Clay
| Tunisia F15, Singles Qualifying | 2018/04/14 11:30 | Chien, Christopher v Tiran Sanghera | 0-6,0-6 |
| Tunisia F14, Singles Qualifying | 2018/04/07 11:30 | Ivanov, Vladislav v Chien, Christopher | 6-1,6-2 |
| ITF Tunisia F13 | 2018/03/31 09:00 | Chien, Christopher v Nazim Makhlouf | 2-6,0-6 |
| ITF Turkey F11 | 2018/03/17 08:30 | Thornton-Brown, Adam v Chien, Christopher | 6-0,6-0 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Chien, Christopher v Collins, Sean | 2-6,1-6 |
| ITF Portugal F1 | 2018/02/17 12:30 | Chien, Christopher v Cayre, Paul | 1-6,1-6 |
| ITF Tunisia F5 | 2018/02/04 08:00 | Chien, Christopher v Vejvara, Lukas | 1-6,0-6 |
| Tunisia F4, Singles Qualifying | 2018/01/29 10:30 | Vejvara, Lukas v Chien, Christopher | 6-0,6-0 |
| Tunisia F15, Singles Qualifying | 2018/04/19 09:00 | Brands, Daniel v Bothwell, Peter | 6-3,6-0 |
| Tunisia F15, Singles Qualifying | 2018/04/18 09:00 | Bothwell, Peter v Jandric, Darko | 1-6,6-3,6-1 |
| Coupe Davis | 2018/04/08 09:10 | Casper Ruud v Bothwell, Peter | 6-3,7-5 |
| Coupe Davis | 2018/04/07 10:00 | Viktor Durasovic v Bothwell, Peter | 6-3,2-6,3-6 |
| Portugal F4, Singles Qualifying | 2018/03/18 12:10 | Bothwell, Peter v Alejandro Davidovich Fokina | 4-6,4-6 |
| Portugal F4, Singles Qualifying | 2018/03/16 11:00 | Bothwell, Peter v Boyer, Dusty H | 5-7,7-6,6-3 |
| Portugal F4, Singles Qualifying | 2018/03/14 11:20 | Bothwell, Peter v Niesten, Miliaan | 6-4,6-2 |
| Portugal F4, Singles Qualifying | 2018/03/13 11:00 | David Pichler v Bothwell, Peter | 7-6,2-6,2-6 |