| Netherlands - Championship | Round | Result | H | A | 
		
			| 18.12. |  | Visscher S. - Koevermans A. | SF | 7-5, 4-6, 6-2 | 1.53 | 2.37 | 
		
			| 16.12. |  | Koevermans A. - De Zeeuw J. | QF | 6-2, 6-2 | 1.10 | 6.50 | 
		
			| 15.12. |  | Koevermans A. - Stevens L. | R16 | 6-1, 6-2 | 2.10 | 1.66 | 
		
			| Monastir 10 ITF | Round | Result | H | A | 
		
			| 18.11. |  | Wildgruber A. - Koevermans A. | R16 | 6-2, 6-2 | 1.87 | 1.82 | 
		
			| 16.11. |  | Koevermans A. - Boudjadi Y. | 1R | 6-2, 6-1 | 1.05 | 8.25 | 
		
			| Monastir 9 ITF | Round | Result | H | A | 
		
			| 11.11. |  | Keller N. - Koevermans A. | R16 | 6-4, 6-0 | 1.48 | 2.47 | 
		
			| 09.11. |  | Koevermans A. - Westbury K. | 1R | 6-4, 6-3 | 2.11 | 1.64 | 
		
			| Monastir 8 ITF | Round | Result | H | A | 
		
			| 02.11. |  | Drazic M. - Koevermans A. | 1R | 6-2, 6-1 | 1.79 | 1.92 | 
		
			| Monastir 4 ITF | Round | Result | H | A | 
		
			| 08.10. |  | Sugnaux T. - Koevermans A. | QF | 6-3, 6-4 | 1.69 | 2.05 | 
		
			| 07.10. |  | Koevermans A. - Vanhoutte C. | R16 | 7-65, 6-3 | 1.27 | 3.46 | 
		
			| 06.10. |  | Koevermans A. - Radovanovic N. | 1R | 6-4, 62-7, 6-2 | 1.70 | 2.02 | 
		
			| 05.10. |  | Koevermans A. - Ni Ma Z. | Q-R16 | 6-2, 6-3 | 1.16 | 4.37 | 
		
			| 04.10. |  | Koevermans A. - Boehner L. | Q-2R | 6-2, 6-2 | 1.07 | 6.00 | 
		
			| Monastir 3 ITF | Round | Result | H | A | 
		
			| 30.09. |  | Jattavapornvanit P. - Koevermans A. | R16 | 6-4, 6-3 | 1.24 | 3.68 | 
		
			| 29.09. |  | Koevermans A. - Sato H. | 1R | 6-4, 5-7, 6-3 | 2.25 | 1.57 | 
		
			| 28.09. |  | Koevermans A. - Villet M. | Q-R16 | 6-4, 6-0 |  |  | 
		
			| 27.09. |  | Koevermans A. - Brack C. | Q-2R | 6-2, 6-0 |  |  | 
		
			| Monastir 2 ITF | Round | Result | H | A | 
		
			| 23.09. |  | Desai Z. - Koevermans A. | R16 | 5-7, 6-1, 6-1 | 1.21 | 3.90 | 
		
			| 22.09. |  | Koevermans A. - Mansouri Y. | 1R | 6-2, 7-5 | 2.11 | 1.65 | 
		
			| 21.09. |  | Koevermans A. - Yamalapalli S. | Q-R16 | 3-6, 7-5, 14-12 |  |  | 
		
			| 20.09. |  | Koevermans A. - Persson I. | Q-2R | 6-0, 6-2 |  |  | 
		
			| Wanfercee-Baulet ITF | Round | Result | H | A | 
		
			| 24.08. |  | Rajkovic A. - Koevermans A. | Q-R16 | 6-2, 6-2 | 1.35 | 2.86 | 
		
			| 23.08. |  | Koevermans A. - Calinescu C. | Q-2R | 6-0, 6-1 | 1.38 | 3.94 | 
		
			| 22.08. |  | Koevermans A. - Timmerman R. | Q-1R | 6-1, 6-3 |  |  | 
		
			| Erwitte ITF | Round | Result | H | A | 
		
			| 16.08. |  | Wirges A. - Koevermans A. | Q-1R | 6-4, 6-1 | 1.30 | 3.00 | 
		
			| Koksijde ITF | Round | Result | H | A | 
		
			| 08.08. |  | Visscher S. - Koevermans A. | Q-1R | 7-67, 6-0 | 1.26 | 3.33 | 
		
			| Amstelveen ITF | Round | Result | H | A | 
		
			| 05.07. |  | Serban R. - Koevermans A. | Q-1R | 6-3, 6-0 | 1.05 | 7.41 | 
		
			| Haag 2 ITF | Round | Result | H | A | 
		
			| 27.06. |  | Bolton E. - Koevermans A. | Q-1R | 2-6, 6-3, 10-7 |  |  | 
		
			| Alkmaar ITF | Round | Result | H | A | 
		
			| 23.06. |  | Avdeeva J. - Koevermans A. | 1R | 6-2, 6-2 | 1.08 | 6.58 | 
		
			| 21.06. |  | Koevermans A. - Nuudi M. | Q-R16 | 7-6, 6-3 | 4.00 | 1.17 | 
		
			| 20.06. |  | Koevermans A. - Boyden M. | Q-1R | 7-5, 7-63 |  |  | 
		
			| Heraklion 4 ITF | Round | Result | H | A | 
		
			| 06.06. |  | Logotheti E. - Koevermans A. | Q-2R | 6-3, 3-6, 10-4 |  |  |