| Maia challenger | Round | Result | H | A | 
		
			| 02.12. |  | Borto / Vavas - Rombo / Walko | F | 6-4, 3-6, 12-10 | 1.31 | 2.80 | 
		
			| 01.12. |  | Rombo / Walko - Corne / Oswal | SF | 3-6, 7-611, 12-10 | 2.57 | 1.46 | 
		
			| 30.11. |  | Rombo / Walko - de Sc / Trung | QF | 7-65, 6-2 | 1.25 | 3.09 | 
		
			| 29.11. |  | Rombo / Walko - Chand / Liuta | R16 | 3-6, 6-3, 10-3 | 2.32 | 1.57 | 
		
			| Bad Waltersdorf challenger | Round | Result | H | A | 
		
			| 20.09. |  | Borto / Passa - Reese / Walko | R16 | 6-4, 6-2 | 2.08 | 1.66 | 
		
			| Meerbusch challenger | Round | Result | H | A | 
		
			| 09.08. |  | Luz O / Verbe - Sandk / Walko | R16 | 6-1, 6-4 | 1.85 | 1.85 | 
		
			| Verona challenger | Round | Result | H | A | 
		
			| 27.07. |  | Burru / Darde - Sandk / Walko | QF | 6-3, 7-5 | 2.21 | 1.57 | 
		
			| 26.07. |  | Sandk / Walko - Oradi / Vince | R16 | 6-4, 6-2 | 1.24 | 3.60 | 
		
			| Tampere challenger | Round | Result | H | A | 
		
			| 20.07. |  | Kauko / Vasa - Oberl / Walko | QF | 6-4, 7-5 | 4.63 | 1.14 | 
		
			| 19.07. |  | Oberl / Walko - Rinco / Sanch | R16 | 7-65, 2-6, 10-7 | 1.40 | 2.66 | 
		
			| Karlsruhe challenger | Round | Result | H | A | 
		
			| 06.07. |  | Oberl / Sandk - Libie / Walko | QF | 3-6, 7-65, 11-9 | 2.41 | 1.51 | 
		
			| 05.07. |  | Libie / Walko - Gavri / Masur | R16 | 6-4, 6-4 | 1.33 | 3.08 | 
		
			| Poznan challenger | Round | Result | H | A | 
		
			| 22.06. |  | Giust / Nagal - Kubot / Walko | R16 | 7-63, 62-7, 10-6 | 2.39 | 1.49 | 
		
			| Bratislava 2 challenger | Round | Result | H | A | 
		
			| 15.06. |  | Drzew / Nouza - Manaf / Walko | QF | 6-4, 6-2 | 1.96 | 1.69 | 
		
			| 13.06. |  | Manaf / Walko - Matus / Wehne | R16 | 6-1, 6-0 | 1.62 | 2.06 | 
		
			| Prostejov challenger | Round | Result | H | A | 
		
			| 06.06. |  | Kolar / Mensi - Manaf / Walko | R16 | 3-6, 6-4, 10-7 | 1.99 | 1.73 | 
		
			| Vicenza challenger | Round | Result | H | A | 
		
			| 31.05. |  | Coppe / Trung - Manaf / Walko | R16 | 7-610, 7-5 | 3.45 | 1.26 | 
		
			| Skopje challenger | Round | Result | H | A | 
		
			| 25.05. |  | Luz O / Rombo - Arend / Walko | QF | 6-4, 6-4 | 1.76 | 1.27 | 
		
			| 25.05. |  | Arend / Walko - Bobro / Donsk | R16 | 6-1, 68-7, 10-4 | 1.25 | 2.27 | 
		
			| Oeiras 2 challenger | Round | Result | H | A | 
		
			| 17.05. |  | Faria / Rocha - Reese / Walko | R16 | 3-6, 6-4, 10-3 | 4.36 | 1.17 | 
		
			| Prague 2 challenger | Round | Result | H | A | 
		
			| 04.05. |  | Nouza / Pauls - Drzew / Walko | QF | 7-63, 5-7, 10-7 | 1.92 | 1.77 | 
		
			| 03.05. |  | Drzew / Walko - Golub / Jebav | R16 | 62-7, 6-4, 10-6 | 2.17 | 1.56 | 
		
			| Ostrava challenger | Round | Result | H | A | 
		
			| 26.04. |  | Blanc / Penis - Drzew / Walko | R16 | 3-6, 6-3, 10-8 | 2.93 | 1.35 | 
		
			| Oeiras challenger | Round | Result | H | A | 
		
			| 20.04. |  | Arend / Tsits - Drzew / Walko | QF | 6-3, 7-66 | 2.09 | 1.67 | 
		
			| 19.04. |  | Drzew / Walko - Balaj / Nedun | R16 | 7-5, 3-6, 10-7 | 2.12 | 1.66 | 
		
			| Split challenger | Round | Result | H | A | 
		
			| 12.04. |  | Navon / Torre - Drzew / Walko | R16 | 6-4, 3-6, 10-6 |  |  | 
		
			| Barletta challenger | Round | Result | H | A | 
		
			| 05.04. |  | Berre / Cobol - Drzew / Walko | R16 | 3-6, 6-1, 12-10 | 2.11 | 1.62 |