| ITF Germany F3 MD | 02/02 15:30 | 28 | van de Zandschulp B / Westerhof B v Boutillier R / Voljacques H | 5-7,6-4,8-10 | |
| ITF Germany F3 MD | 02/01 19:25 | 27 | van de Zandschulp B / Westerhof B v Boltz S / Wehnelt K | 6-4,6-4 | |
| Allemagne F2, Doubles | 01/26 20:15 | 28 | van de Zandschulp B / Westerhof B v Cachin P / Masur D | 3-6,4-6 | |
| Allemagne F2, Doubles | 01/25 17:50 | 27 | Horansky F / Klein L v van de Zandschulp B / Westerhof B | 3-6,7-6,3-10 | |
| Allemagne F2, Doubles | 01/23 16:25 | 26 | Ejupovic E / Ursu V v van de Zandschulp B / Westerhof B | Retired | |
| Challenger Alphen MD | 09/10 10:00 | 29 | Lazov A / Uzhylovskyi V v van de Zandschulp B / Westerhof B | 6-7,5-7 | |
| Challenger Alphen MD | 09/09 15:30 | 28 | Gonzales R / Reese H v van de Zandschulp B / Westerhof B | 3-6,6-2,4-10 | |
| Challenger Alphen MD | 09/07 13:30 | 27 | Ghem A / Maamoun K-M v van de Zandschulp B / Westerhof B | 3-6,4-6 | |
| Challenger Alphen MD | 09/05 14:25 | 26 | van de Zandschulp B / Westerhof B v Junaid R / Roelofse R | 5-7,6-3,10-2 | |
| ITF Netherlands F7 MD | 09/01 16:50 | 29 | van de Zandschulp B / Westerhof B v Smits G / van Beem C | Retired | |
| ITF Netherlands F7 MD | 09/01 15:00 | 28 | van de Zandschulp B / Westerhof B v de Krom M / Stanek R | 7-5,4-6,10-5 | |
| ITF Netherlands F7 MD | 08/30 15:00 | 27 | van de Zandschulp B / Westerhof B v de Goeijen B / Diarra G | 6-0,7-5 | |
| ITF Netherlands F6 MD | 08/25 14:10 | 29 | van de Zandschulp B / Westerhof B v Chappell N / Reese H | 6-1,6-3 | |
| ITF Netherlands F6 MD | 08/24 16:15 | 28 | van de Zandschulp B / Westerhof B v Brouwer G / Sels J | 6-4,6-1 | |
| ITF Netherlands F6 MD | 08/23 15:30 | 27 | van de Zandschulp B / Westerhof B v Cordonnier G / Krstev O | 6-4,6-2 | |
| ITF Netherlands F6 MD | 08/21 16:00 | 26 | van de Zandschulp B / Westerhof B v Sollie T / Speelman P | 0-6,6-3,10-3 | |
| ITF Netherlands F4 MD | 07/15 14:00 | 29 | van de Zandschulp B / Westerhof B v Lootsma N / Negritu C | 6-1,6-7,10-3 | |
| ITF Netherlands F4 MD | 07/14 18:45 | 28 | van de Zandschulp B / Westerhof B v Brouwer G / Sels J | 2-6,6-3,13-11 | |
| ITF Netherlands F4 MD | 07/12 15:50 | 27 | van de Zandschulp B / Westerhof B v de Krom M / van Terheijden T | 7-6,7-6 | |
| ITF Netherlands F2 MD | 06/30 18:15 | 29 | van de Zandschulp B / Westerhof B v Timmermans J / van Terheijden T | 6-1,7-5 | |
| ITF Netherlands F2 MD | 06/29 17:45 | 28 | Hach Verdugo H / Lawson A v van de Zandschulp B / Westerhof B | 4-6,0-6 | |
| ITF Netherlands F2 MD | 06/28 17:10 | 27 | van de Zandschulp B / Westerhof B v Gengel M / Mertl J | 6-3,6-3 | |
| ITF Netherlands F2 MD | 06/26 17:50 | 26 | van de Zandschulp B / Westerhof B v Geenen W / Smits G | 6-7,6-0,10-3 | |
| ITF Netherlands F1 MD | 06/25 14:00 | 29 | van de Zandschulp B / Westerhof B v Kypson P / Riffice S | 6-2,5-7,14-12 | |
| ITF Netherlands F1 MD | 06/24 14:00 | 28 | van de Zandschulp B / Westerhof B v Chazal M / Ivanov V | 7-6,7-6 | |
| ITF Netherlands F1 MD | 06/23 16:30 | 27 | van de Zandschulp B / Westerhof B v Donders D / Wagemaker P J | 6-0,6-3 | |
| ITF Sweden F2 MD | 05/16 13:00 | 26 | Holm A / Renard L v van de Zandschulp B / Westerhof B | Walkover |