Stadium: Ustron Centrum 2 Round: 44 Ground: Clay
| ITF Poland F3 | 2018/05/13 07:00 | Fekiac, Martin v Collins, Sean | 6-2,6-3 |
| Португалия F3, Одиночки | 2018/03/03 14:00 | Кэннелл, Джоэл v Collins, Sean | 6-1,6-1 |
| ITF Portugal F2 Qual | 2018/02/25 17:00 | Мартим Л Прата v Collins, Sean | 6-4,6-4 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Chien, Christopher v Collins, Sean | 2-6,1-6 |
| Turkey F6, Singles | 2018/02/10 06:00 | Симон Карр v Collins, Sean | 6-1,6-0 |
| ITF Tunisia F36 | 2017/11/18 09:00 | Collins, Sean v Dolz, Lluis | 2-6,4-6 |
| ITF Ireland F2 | 2017/07/25 11:15 | Collins, Sean v Осгар О'Хойшин | 2-6,3-6 |
| ITF Ireland F1 Qual | 2017/07/16 10:00 | Шон Ходкин v Collins, Sean | 6-3,4-6,6-1 |