| Maia challenger | Round | Result | H | A | 
		
			| 02.12. |  | Cash / Patte - Kubot / Walko | SF | 7-5, 4-6, 10-4 | 1.42 | 2.65 | 
		
			| 01.12. |  | Kubot / Walko - Sachk / Yevse | QF | 6-4, 7-5 | 1.25 | 3.66 | 
		
			| 29.11. |  | Kubot / Walko - Corne / Gakho | R16 | 5-0 | 1.26 | 3.19 | 
		
			| Szczecin challenger | Round | Result | H | A | 
		
			| 15.09. |  | Brown / Vavas - Drzew / Walko | QF | 7-5, 7-65 | 1.49 | 2.45 | 
		
			| 14.09. |  | Drzew / Walko - Kruty / Micha | R16 | 6-0, 7-65 | 1.29 | 3.26 | 
		
			| Banja Luka challenger | Round | Result | H | A | 
		
			| 25.08. |  | Falle / Jeben - Verbe / Walko | QF | 6-3, 7-65 | 2.44 | 1.49 | 
		
			| 24.08. |  | Verbe / Walko - Arias / Zebal | R16 | 6-1, 6-4 | 1.27 | 3.35 | 
		
			| Meerbusch challenger | Round | Result | H | A | 
		
			| 13.08. |  | Pel D / Walko - Oberl / Oswal | F | 7-5, 6-1 | 2.08 | 1.64 | 
		
			| 12.08. |  | Pel D / Walko - Balaj / Nedun | SF | 6-4, 65-7, 10-6 | 1.64 | 2.16 | 
		
			| 11.08. |  | Pel D / Walko - Falle / Jeben | QF | 6-3, 7-5 | 1.67 | 2.08 | 
		
			| 10.08. |  | Pel D / Walko - Gerch / Squir | R16 | 7-5, 4-6, 10-7 | 1.25 | 3.58 | 
		
			| Trieste challenger | Round | Result | H | A | 
		
			| 22.07. |  | Borto / Marto - Kubot / Walko | SF | 6-3, 6-3 | 2.34 | 1.50 | 
		
			| 21.07. |  | Kubot / Walko - Falle / Jeben | QF | 7-66, 6-3 | 1.56 | 2.22 | 
		
			| 20.07. |  | Kubot / Walko - Bosca / Pucin | R16 | 5-7, 6-2, 10-8 | 1.44 | 2.57 | 
		
			| Poznan challenger | Round | Result | H | A | 
		
			| 04.06. |  | Reese / Walko - Genge / Pavla | F | 1-6, 6-3, 10-6 | 1.54 | 2.32 | 
		
			| 03.06. |  | Reese / Walko - Nikle / Torre | SF | 6-3, 7-68 | 1.36 | 2.91 | 
		
			| 02.06. |  | Reese / Walko - Duras / Nikla | QF | 7-5, 7-68 | 1.35 | 2.93 | 
		
			| 01.06. |  | Reese / Walko - Kruty / Priho | R16 | 6-3, 6-1 | 1.58 | 2.25 | 
		
			| French Open | Round | Result | H | A | 
		
			| 26.05. |  | O'Mar / Withr - Arend / Walko | 1R | 7-5, 4-6, 6-1 |  |  | 
		
			| Geneva | Round | Result | H | A | 
		
			| 18.05. |  | Mekti / Pavic - Arend / Walko | R16 | 6-4, 6-4 | 1.17 | 4.78 | 
		
			| Bordeaux challenger | Round | Result | H | A | 
		
			| 10.05. |  | Marga / Schnu - Arneo / Walko | R16 | 6-4, 2-6, 10-5 | 2.60 | 1.40 | 
		
			| Aix en Provence challenger | Round | Result | H | A | 
		
			| 04.05. |  | Glass / Heliö - Arneo / Walko | R16 | 6-4, 65-7, 10-4 | 1.34 | 3.04 | 
		
			| Ostrava challenger | Round | Result | H | A | 
		
			| 28.04. |  | Reese / Verbe - Drzew / Walko | QF | 6-4, 6-4 | 1.86 | 1.82 | 
		
			| 27.04. |  | Drzew / Walko - Kolar / Sitak | R16 | 6-2, 6-4 | 2.19 | 1.61 | 
		
			| Prague 4 challenger | Round | Result | H | A | 
		
			| 23.04. |  | Cabra / Walko - Lamas / Pouil | F | 6-2, 7-612 | 1.66 | 2.11 | 
		
			| 22.04. |  | Cabra / Walko - Furne / Penis | SF | 6-2, 6-3 | 1.21 | 3.96 | 
		
			| 21.04. |  | Cabra / Walko - Reese / Verbe | QF | 2-6, 6-3, 10-6 | 1.84 | 1.87 | 
		
			| 20.04. |  | Cabra / Walko - Eysse / Jebav | R16 | 6-4, 7-62 | 2.00 | 1.70 | 
		
			| Barletta challenger | Round | Result | H | A | 
		
			| 16.04. |  | Karlo / Tiurn - McLac / Walko | F | 6-3, 6-4 | 3.57 | 1.25 | 
		
			| 15.04. |  | McLac / Walko - Jebav / Kolar | SF | 6-2, 6-4 | 1.81 | 1.86 | 
		
			| 14.04. |  | McLac / Walko - Napol / Nardi | QF | 6-3, 3-6, 10-4 | 1.21 | 3.99 | 
		
			| 13.04. |  | McLac / Walko - Blanc / Lesti | R16 | 6-2, 6-2 | 1.24 | 3.43 | 
		
			| Oeiras 2 challenger | Round | Result | H | A | 
		
			| 07.04. |  | Borge / Cabra - Walko / Zuk K | QF | 7-5, 64-7, 15-13 | 1.56 | 2.26 | 
		
			| 05.04. |  | Walko / Zuk K - Faria / Faria | R16 | 6-1, 6-2 | 1.07 | 7.41 | 
		
			| Roseto Degli Abruzzi 2 chall. | Round | Result | H | A | 
		
			| 17.03. |  | Agame / Guina - Arneo / Walko | QF | 1-6, 6-3, 10-7 | 2.91 | 1.37 | 
		
			| 15.03. |  | Arneo / Walko - Branc / Cobol | R16 | 6-2, 6-4 | 1.55 | 2.31 |