| ITF USA F28 | 09/15 17:00 | 26 | Koevermans, Guus v 할레비안, 알렉시오스 | 6-7,3-6 | |
| ITF USA F28 | 09/14 18:50 | 25 | 이아마치킨, 페드로 v Koevermans, Guus | 0-6,0-6 | |
| ITF USA F28 | 09/12 17:00 | 60 | 브룸, 야콥 v Koevermans, Guus | 6-7,6-7 | |
| ITF USA F28 | 09/11 16:30 | 60 | Ruiz-Rosales, Antonio v Koevermans, Guus | 6-3,3-6,2-6 | |
| ITF USA F28 | 09/10 16:00 | 60 | Koevermans, Guus v Kraljevic, Filip | 6-4,6-1 | |
| ITF Israel F2 | 02/13 10:30 | 62 | Koevermans, Guus v 엘리아 알론 | 3-6,6-2,1-6 | |
| ITF Israel F1 | 02/09 07:30 | 62 | 디에프, 플로렌트 v Koevermans, Guus | 6-4,3-6,6-1 | |
| ITF Turkey F47 | 11/15 07:00 | 62 | Koevermans, Guus v 덴 헤이젤, 구이 | 0-6,3-6 | |
| ITF Turkey F47 | 11/14 07:00 | 62 | 코로베이니코브, 그리로리 v Koevermans, Guus | 1-6,1-6 | |
| ITF Turkey F47 | 11/07 06:00 | 62 | 덴 헤이젤, 구이 v Koevermans, Guus | 6-1,6-3 | |
| ITF Turkey F44 | 11/01 08:00 | 62 | Weidinger, Dominic v Koevermans, Guus | 7-5,6-1 | |
| ITF Germany F16 | 10/12 11:00 | 62 | Hirschmueller, Christian v Koevermans, Guus | 6-3,6-3 | |
| ITF Belgium F14 | 09/05 09:00 | 62 | Koevermans, Guus v 디즈키후이젠, 마르크 | 3-6,4-6 | |
| ITF Netherlands F6 | 08/22 08:00 | 62 | 반 빔, 콜린 v Koevermans, Guus | 7-5,6-1 | |
| ITF Netherlands F2 Qual | 06/20 08:00 | - | Koevermans, Guus v 호에벨러, 레온 | Walkover | |
| ITF Netherlands F1 Qual | 06/13 11:30 | - | Koevermans, Guus v Rodrigues Girotto, Alexandre Gabriel | 6-2,6-1 | |
| ITF Spain F6 Qual | 03/22 09:00 | - | 카나스 가르시아, 주안 파블로 v Koevermans, Guus | 6-4,6-2 |