|   Bad Waltersdorf challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 20.09. | 
			  | 
			Saban / Saban - Drzew / Zelen | 
			R16 | 
			6-3, 7-5 | 
			1.79 | 
			1.91 | 
		
		
			|   San Marino challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 02.08. | 
			  | 
			Cerva / Marto - Matus / Zelen | 
			R16 | 
			4-6, 6-3, 10-4 | 
			1.85 | 
			1.86 | 
		
		
			|   Verona challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 28.07. | 
			  | 
			Gaio / Pelle - Matus / Zelen | 
			SF | 
			7-61, 6-2 | 
			1.84 | 
			1.84 | 
		
		
			| 27.07. | 
			  | 
			Matus / Zelen - Jecan / Kalov | 
			QF | 
			6-3, 6-2 | 
			1.40 | 
			2.69 | 
		
		
			| 26.07. | 
			  | 
			Matus / Zelen - Pichl / Sachk | 
			R16 | 
			4-6, 6-3, 10-8 | 
			1.55 | 
			2.20 | 
		
		
			|   Salzburg challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 13.07. | 
			  | 
			Chand / Prasa - Jebav / Zelen | 
			QF | 
			7-64, 6-4 | 
			2.01 | 
			1.71 | 
		
		
			| 12.07. | 
			  | 
			Jebav / Zelen - Aguil / Barre | 
			R16 | 
			6-4, 6-3 | 
			1.16 | 
			4.43 | 
		
		
			|   Poznan challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 22.06. | 
			  | 
			Behar / Pavla - Gonza / Zelen | 
			R16 | 
			6-4, 6-0 | 
			1.28 | 
			3.25 | 
		
		
			|   Bratislava 2 challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 15.06. | 
			  | 
			Oberl / Sandk - Kolar / Zelen | 
			QF | 
			3-6, 7-5, 10-6 | 
			2.69 | 
			1.40 | 
		
		
			| 14.06. | 
			  | 
			Kolar / Zelen - Jebav / Marti | 
			R16 | 
			5-7, 7-5, 10-6 | 
			1.79 | 
			1.84 | 
		
		
			|   Prostejov challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 07.06. | 
			  | 
			Behar / Pavla - Marga / Zelen | 
			QF | 
			7-5, 6-0 | 
			1.31 | 
			3.16 | 
		
		
			| 06.06. | 
			  | 
			Marga / Zelen - Kopri / Pospi | 
			R16 | 
			7-67, 3-6, 10-6 | 
			1.70 | 
			2.01 | 
		
		
			|   Troisdorf challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 02.06. | 
			  | 
			Guina / Jacq - Molch / Zelen | 
			SF | 
			6-0, 5-7, 10-6 | 
			3.16 | 
			1.29 | 
		
		
			| 01.06. | 
			  | 
			Molch / Zelen - Hardt / Kotov | 
			QF | 
			6-4, 7-5 | 
			1.25 | 
			3.63 | 
		
		
			| 31.05. | 
			  | 
			Molch / Zelen - Kuzma / Silva | 
			R16 | 
			6-3, 4-6, 10-8 | 
			1.19 | 
			4.19 | 
		
		
			|   Prague 4 challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 10.05. | 
			  | 
			Added / Olive - Manaf / Zelen | 
			R16 | 
			6-3, 5-7, 10-2 | 
			1.56 | 
			2.29 | 
		
		
			|   Ostrava challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 26.04. | 
			  | 
			Andre / Duran - Manaf / Zelen | 
			R16 | 
			7-5, 6-4 | 
			1.38 | 
			2.70 | 
		
		
			|   Oeiras challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 20.04. | 
			  | 
			Corne / Skugo - Nouza / Zelen | 
			QF | 
			7-65, 3-6, 11-9 | 
			1.52 | 
			2.33 | 
		
		
			| 19.04. | 
			  | 
			Nouza / Zelen - Broom / Raja | 
			R16 | 
			6-2, 6-2 | 
			1.51 | 
			2.39 | 
		
		
			|   Madrid challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 12.04. | 
			  | 
			Harri / Smith - Nouza / Zelen | 
			R16 | 
			7-61, 7-65 | 
			1.59 | 
			2.19 | 
		
		
			|   Barletta challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 05.04. | 
			  | 
			Merin / Paul - Kirki / Zelen | 
			R16 | 
			6-3, 7-67 | 
			2.69 | 
			1.38 |