| Limassol ITF | Round | Result | H | A | 
		
			| 23.11. |  | Kraus / Ryser - Koeve / Sijbe | QF | 6-1, 7-5 | 1.46 | 2.53 | 
		
			| 21.11. |  | Koeve / Sijbe - Karun / Samir | R16 | 6-0, 6-1 | 1.32 | 3.09 | 
		
			| Monastir 6 ITF | Round | Result | H | A | 
		
			| 08.11. |  | Ozeki / Ruste - Sijbe / Soria | R16 | 6-1, 6-2 | 1.82 | 1.84 | 
		
			| Monastir 57 ITF | Round | Result | H | A | 
		
			| 14.10. |  | Amos / Sijbe - Bandu / Berge | F | 1-6, 6-2, 12-10 | 1.48 | 2.41 | 
		
			| 13.10. |  | Amos / Sijbe - Milen / Wildg | SF | 6-4, 6-2 | 1.46 | 2.46 | 
		
			| 12.10. |  | Amos / Sijbe - Baglo / Giess | QF | 6-1, 6-3 | 1.06 | 7.48 | 
		
			| 10.10. |  | Amos / Sijbe - Kouss / Osabu | R16 | 6-2, 2-0 | 1.02 | 9.90 | 
		
			| Monastir 56 ITF | Round | Result | H | A | 
		
			| 07.10. |  | Amos / Sijbe - Brugn / Lew Y | F | 6-4, 6-1 | 2.17 | 1.60 | 
		
			| 06.10. |  | Amos / Sijbe - Cirot / Luikh | SF | 4-6, 7-63, 10-6 | 1.57 | 2.23 | 
		
			| 05.10. |  | Amos / Sijbe - Hadda / Iila | QF |  | 1.39 | 2.68 | 
		
			| 03.10. |  | Amos / Sijbe - Arang / Rothe | R16 | 6-1, 6-0 | 1.24 | 3.67 | 
		
			| Haren ITF | Round | Result | H | A | 
		
			| 09.09. |  | De Ko / Sijbe - Gadie / Vorac | F | 6-3, 6-2 | 1.31 | 3.10 | 
		
			| 08.09. |  | De Ko / Sijbe - Chlpa / Herin | SF | 6-2, 0-0 | 1.60 | 2.05 | 
		
			| 07.09. |  | De Ko / Sijbe - Haver / Veldm | QF | 6-2, 6-1 | 1.43 | 2.59 | 
		
			| 06.09. |  | De Ko / Sijbe - Van B / Van P | R16 | 7-5, 6-1 | 1.09 | 6.10 | 
		
			| Oldenzaal ITF | Round | Result | H | A | 
		
			| 01.09. |  | Haver / Vedde - De Ko / Sijbe | SF | 6-2, 6-1 | 1.18 | 4.15 | 
		
			| 31.08. |  | De Ko / Sijbe - Lamen / Steve | QF | 5-7, 7-5, 11-9 | 3.77 | 1.21 | 
		
			| 29.08. |  | De Ko / Sijbe - Hoedt / Van E | R16 | 6-1, 6-4 | 3.25 | 1.28 | 
		
			| Wanfercee-Baulet ITF | Round | Result | H | A | 
		
			| 23.08. |  | El Ao / Modes - De Ko / Sijbe | R16 | 6-2, 2-6, 10-5 | 1.64 | 2.11 | 
		
			| Duffel ITF | Round | Result | H | A | 
		
			| 17.08. |  | Gettw / Tran - De Ko / Sijbe | QF | 6-2, 5-7, 10-6 | 1.85 | 1.85 | 
		
			| 15.08. |  | De Ko / Sijbe - Barth / Gadie | R16 | 6-3, 6-3 | 1.20 | 4.15 | 
		
			| Nakhon Si Thammarat 5 ITF | Round | Result | H | A | 
		
			| 11.07. |  | Kovap / Kuear - De Ko / Sijbe | R16 | 6-1, 6-2 | 1.38 | 2.72 | 
		
			| Nakhon Si Thammarat 4 ITF | Round | Result | H | A | 
		
			| 04.07. |  | Chant / Tarar - De Ko / Sijbe | R16 | 6-3, 6-1 | 1.35 | 2.94 | 
		
			| Monastir 41 ITF | Round | Result | H | A | 
		
			| 22.06. |  | Dal S / Wildg - De Ko / Sijbe | QF | 6-3, 6-4 | 1.92 | 1.78 | 
		
			| 21.06. |  | De Ko / Sijbe - Aryst / Baida | R16 | 6-0, 6-1 | 1.34 | 2.95 | 
		
			| Monastir 40 ITF | Round | Result | H | A | 
		
			| 17.06. |  | Ezzat / Stagn - De Ko / Sijbe | F | 6-1, 6-4 | 2.24 | 1.55 | 
		
			| 16.06. |  | De Ko / Sijbe - Cirpa / Turkm | SF | 6-2, 6-1 | 1.30 | 3.24 | 
		
			| 15.06. |  | De Ko / Sijbe - Avata / Jumaz | QF | 6-1, 6-1 | 1.11 | 5.49 | 
		
			| 14.06. |  | De Ko / Sijbe - Arang / Narmo | R16 | 6-3, 6-3 | 1.07 | 6.98 | 
		
			| Monastir 27 ITF | Round | Result | H | A | 
		
			| 14.03. |  | Corle / Labra - Koeve / Sijbe | R16 | 6-4, 6-3 | 1.35 | 2.96 | 
		
			| Monastir 26 ITF | Round | Result | H | A | 
		
			| 11.03. |  | Koeve / Sijbe - Raggi / Rugge | F | 6-4, 6-3 | 2.08 | 1.64 | 
		
			| 10.03. |  | Koeve / Sijbe - Tran / Tran | SF | 6-3, 6-4 | 1.59 | 2.18 | 
		
			| 09.03. |  | Koeve / Sijbe - Luikh / Wang | QF | 6-2, 6-3 | 1.24 | 3.66 | 
		
			| 08.03. |  | Koeve / Sijbe - Liu F / Sato | R16 | 6-4, 6-1 | 4.92 | 1.13 | 
		
			| Monastir 22 ITF | Round | Result | H | A | 
		
			| 07.02. |  | Marco / Parra - Kouss / Sijbe | R16 | 6-3, 6-2 | 1.39 | 2.74 |