| ITF Netherlands F4 | 08/16 15:30 | 26 | van Terheijden, Timothy v Droguet, Titouan | 2-6,4-6 | |
| ITF Netherlands F4 | 08/15 11:05 | 25 | 헤르만스, 매트스 v van Terheijden, Timothy | 4-6,3-6 | |
| ITF Netherlands F4 | 08/13 10:00 | 44 | van Terheijden, Timothy v 리치몬드, 존 하리슨 | 6-1,6-4 | |
| ITF Netherlands F4 | 08/12 07:30 | 44 | van Terheijden, Timothy v 에신가, 자차리 | 6-2,6-0 | |
| ITF Netherlands F2 Qual | 07/02 08:00 | 62 | van Terheijden, Timothy v 나셀, 자비엘 | 6-4,4-6,4-6 | |
| ITF Greece F3 | 03/15 09:25 | 26 | van Terheijden, Timothy v 보드머, 아드리안 | 6-7,6-7 | |
| ITF Greece F3 | 03/14 11:20 | 25 | 리카, 기오르지오 v van Terheijden, Timothy | 4-6,4-6 | |
| ITF Greece F3 | 03/12 08:00 | 62 | van Terheijden, Timothy v 스트롬바치스, 로베르트 | 6-3,6-0 | |
| ITF Greece F3 | 03/11 08:00 | 62 | van Terheijden, Timothy v Kohl, Cristopher | 6-1,6-0 | |
| ITF Greece F2 | 03/07 10:00 | 25 | van Terheijden, Timothy v 그레이, 조나단 | 6-7,0-6 | |
| ITF Greece F2 | 03/05 07:30 | 62 | van Terheijden, Timothy v 베레티니, 야코포 | 6-3,3-6,6-2 | |
| ITF Greece F2 | 03/04 09:30 | 62 | van Terheijden, Timothy v Acevedo, Nicolas | 7-6,6-3 | |
| ITF Greece F2 | 03/03 07:30 | 62 | van Terheijden, Timothy v 베르톨라, 레미 | 7-6,6-0 | |
| ITF Switzerland F2 Qual | 02/10 11:00 | 54 | Burquier, Gregoire v van Terheijden, Timothy | 7-6,6-2 | |
| ITF France F3 | 01/23 15:10 | 25 | 비올라, 마테오 v van Terheijden, Timothy | 6-3,0-6,6-4 | |
| ITF France F3 Qual | 01/21 12:40 | 54 | van Terheijden, Timothy v 로베르트, 퀸틴 | 6-2,0-6,7-6 | |
| ITF France F3 Qual | 01/20 13:15 | 54 | van Terheijden, Timothy v 피아칸, 스테판 | 6-3,6-3 | |
| ITF France F2 Qual | 01/14 13:00 | 62 | van Terheijden, Timothy v Bertimon, Charles | 6-3,6-7,4-6 | |
| ITF Tunisia F39 | 12/13 11:35 | 25 | van Terheijden, Timothy v 제키크, 밀리안 | 4-6,2-6 | |
| ITF Tunisia F38 | 12/06 08:30 | 25 | 올리베이라, 곤칼로 v van Terheijden, Timothy | 6-3,6-3 | |
| ITF Turkey F42 | 11/08 09:05 | 25 | van Terheijden, Timothy v 보나디오, 리카르도 | 6-7,2-6 | |
| ITF Turkey F42 | 11/06 10:30 | 62 | van Terheijden, Timothy v Greven, Marvin | 7-6,6-2 | |
| ITF Turkey F41 | 11/02 10:05 | 26 | van Terheijden, Timothy v 네델코, 이반 | 3-6,1-6 | |
| ITF Turkey F41 | 11/01 07:15 | 25 | 볼라, 안드레아 v van Terheijden, Timothy | 5-7,4-6 | |
| ITF Turkey F40 | 10/27 09:15 | 26 | 삼퍼-몬타나, 조르디 v van Terheijden, Timothy | 6-2,6-2 | |
| ITF Turkey F40 | 10/24 07:15 | 25 | van Terheijden, Timothy v 요한슨-홀름, 야콥 | 6-1,6-4 | |
| ITF Turkey F40 | 10/23 07:15 | 62 | van Terheijden, Timothy v 슬블리아크, 고라즈드 | 6-2,6-2 | |
| ITF Belgium F12 | 09/05 15:05 | 25 | 네터스칠, 마르빈 v van Terheijden, Timothy | 6-3,6-7,6-0 | |
| ITF Netherlands F7 | 08/29 12:50 | 25 | van Terheijden, Timothy v 디아라, 기브릴 | 6-3,4-6,3-6 | |
| ITF Netherlands F6 | 08/22 16:00 | 25 | van Terheijden, Timothy v 데 바커, 시에모 | 5-7,6-3,3-6 |