Round: 44 Ground: Hardcourt outdoor
| ITF Spain F21 Qual | 2018/07/29 07:00 | Samy Grace v Grigoriy Korobeynikov | 6-3,6-0 |
| ITF Spain F20 Qual | 2018/07/21 11:00 | Grigoriy Korobeynikov v David Souto | 3-6,2-6 |
| ITF Spain F19 Qual | 2018/07/14 07:30 | Sergi Perez Contri v Grigoriy Korobeynikov | 6-2,1-6,6-2 |
| Challenger Fergana Qual | 2018/06/16 10:20 | Grigoriy Korobeynikov v Tung-Lin Wu | 2-6,1-6 |
| ITF Uzbekistan F4 | 2018/06/05 09:05 | Grigoriy Korobeynikov v Sanjar Fayziev | 2-6,2-6 |
| ITF Uzbekistan F4 Qual | 2018/06/04 13:25 | Batyr Sapaev v Grigoriy Korobeynikov | 4-6,3-6 |
| ITF Uzbekistan F4 Qual | 2018/06/03 07:10 | Timur Sottimov v Grigoriy Korobeynikov | 6-7,2-6 |
| ITF Uzbekistan F3 Qual | 2018/05/27 05:00 | Aliaksandr Liaonenka v Grigoriy Korobeynikov | 6-4,5-7,6-3 |
| ITF Netherlands F6 | 2018/08/27 15:00 | Joris Bodin v Nick Broekhof | 7-5,6-3 |
| ITF Netherlands F6 | 2018/08/26 08:00 | Noah Borges v Nick Broekhof | 6-7,4-6 |
| ITF Netherlands F5 | 2018/08/18 07:00 | Nick Broekhof v Nicholas Bybel | 6-4,4-6,3-6 |
| ITF Netherlands F4 | 2018/08/11 13:00 | Titouan Droguet v Nick Broekhof | 6-1,5-7,6-2 |
| ITF Belgium F7 Qual | 2018/08/05 11:00 | Sidane Pontjodikromo v Nick Broekhof | 6-3,6-0 |
| ITF Belgium F7 Qual | 2018/08/04 07:30 | Nick Broekhof v Namazbek Diushembiev | 6-2,6-1 |
| ITF Belgium F6 Qual | 2018/07/29 15:25 | Nick Broekhof v Stefano Baldoni | 3-6,3-6 |
| ITF Belgium F5 | 2018/07/23 12:00 | Nick Broekhof v Tom Pisane | 2-6,3-6 |