14‑Nov‑2011 | USA F31 | Clay | SF | 560 | 705 | Tim Puetz [GER] d. (8)Kubler | 4-6 7-5 6-4 | | | | | | | | | |
14‑Nov‑2011 | USA F31 | Clay | QF | 560 | 784 | (8)Kubler d. (SE)Alexandre Lacroix [FRA] | 6-2 7-5 | | | | | | | | | |
14‑Nov‑2011 | USA F31 | Clay | R16 | 560 | 701 | (8)Kubler d. Ty Trombetta [USA] | 7-6(4) 6-3 | | | | | | | | | |
14‑Nov‑2011 | USA F31 | Clay | R32 | 560 | 1275 | (8)Kubler d. (Q)Christian Harrison [USA] | 6-2 7-6(1) | | | | | | | | | |
7‑Nov‑2011 | USA F30 | Clay | QF | 654 | 707 | (Q)Tim Puetz [GER] d. (SE)Kubler | 7-6(3) 7-6(10) | | | | | | | | | |
7‑Nov‑2011 | USA F30 | Clay | R16 | 654 | 860 | (SE)Kubler d. (WC)Milan Pokrajac [CAN] | 6-1 7-5 | | | | | | | | | |
7‑Nov‑2011 | USA F30 | Clay | R32 | 654 | 1273 | (SE)Kubler d. (Q)Christian Harrison [USA] | 4-6 7-5 6-3 | | | | | | | | | |
31‑Oct‑2011 | USA F29 | Clay | F | 910 | 442 | Kubler d. (3)Roman Vogeli [CZE] | 6-2 6-4 | | | | | | | | | |
31‑Oct‑2011 | USA F29 | Clay | SF | 910 | 542 | Kubler d. (4)Bassam Beidas [LIB] | 2-6 6-3 4-2 RET | | | | | | | | | |
31‑Oct‑2011 | USA F29 | Clay | QF | 910 | 353 | Kubler d. (2)Benjamin Balleret [MON] | 6-2 7-5 | | | | | | | | | |
31‑Oct‑2011 | USA F29 | Clay | R16 | 910 | 668 | Kubler d. Andrei Daescu [ROU] | 6-4 6-2 | | | | | | | | | |
31‑Oct‑2011 | USA F29 | Clay | R32 | 910 | 670 | Kubler d. Rudolf Siwy [CZE] | 6-4 6-0 | | | | | | | | | |
24‑Oct‑2011 | USA F28 | Clay | F | 761 | | Kubler d. (Q)Yoshihito Nishioka [JPN] | 6-3 6-2 | | | | | | | | | |
24‑Oct‑2011 | USA F28 | Clay | SF | 761 | 1039 | Kubler d. Milan Pokrajac [CAN] | 6-4 6-2 | | | | | | | | | |
24‑Oct‑2011 | USA F28 | Clay | QF | 761 | 1150 | Kubler d. (Q)Guillermo Gomez Diaz [ESP] | 2-6 6-3 6-3 | | | | | | | | | |
24‑Oct‑2011 | USA F28 | Clay | R16 | 761 | 1138 | Kubler d. Joseph Cadogan [TRI] | 6-1 6-0 | | | | | | | | | |
24‑Oct‑2011 | USA F28 | Clay | R32 | 761 | 672 | Kubler d. (8)Andrei Daescu [ROU] | 7-6(4) 6-2 | | | | | | | | | |
10‑Oct‑2011 | Chile F8 | Clay | QF | 722 | 326 | (1)Cristobal Saavedra Corvalan [CHI] d. (7)Kubler | 4-6 6-1 6-3 | | | | | | | | | |
10‑Oct‑2011 | Chile F8 | Clay | R16 | 722 | 1014 | (7)Kubler d. Jorge Montero [CHI] | 6-3 6-2 | | | | | | | | | |
10‑Oct‑2011 | Chile F8 | Clay | R32 | 722 | 1215 | (7)Kubler d. Ignacio Lehyt [CHI] | 6-1 6-2 | | | | | | | | | |
3‑Oct‑2011 | Chile F7 | Clay | QF | 718 | 373 | (2)Hans Podlipnik Castillo [CHI] d. (8)Kubler | 6-2 6-0 | | | | | | | | | |
3‑Oct‑2011 | Chile F7 | Clay | R16 | 718 | 874 | (8)Kubler d. Maverick Banes [AUS] | 6-3 6-2 | | | | | | | | | |
3‑Oct‑2011 | Chile F7 | Clay | R32 | 718 | 1231 | (8)Kubler d. (Q)Victor Morales [CHI] | 6-7(6) 6-1 6-3 | | | | | | | | | |
22‑Aug‑2011 | Poland F7 | Clay | R16 | 677 | 526 | (4)Andis Juska [LAT] d. Kubler | 6-3 7-6(3) | | | | | | | | | |
22‑Aug‑2011 | Poland F7 | Clay | R32 | 677 | 680 | Kubler d. Robert Godlewski [POL] | 6-1 6-2 | | | | | | | | | |
15‑Aug‑2011 | Italy F23 | Clay | QF | 676 | 330 | (2)James Duckworth [AUS] d. (Q)Kubler | 6-4 6-3 | | | | | | | | | |
15‑Aug‑2011 | Italy F23 | Clay | R16 | 676 | 337 | (Q)Kubler d. (7)Matteo Marrai [ITA] | 7-6(5) 6-2 | | | | | | | | | |
15‑Aug‑2011 | Italy F23 | Clay | R32 | 676 | 458 | (Q)Kubler d. Enrico Burzi [ITA] | 3-6 6-4 6-2 | | | | | | | | | |
8‑Aug‑2011 | Italy F22 | Clay | R32 | 684 | 306 | (8)Juan Pablo Amado [ARG] d. (Q)Kubler | 6-4 6-1 | | | | | | | | | |
21‑Mar‑2011 | Spain F9 | Clay | R32 | 543 | 422 | (4)Juan Pablo Villar [ARG] d. Kubler | 6-1 6-3 | | | | | | | | | |
14‑Mar‑2011 | Spain F8 | Clay | R16 | 535 | 832 | (Q)Jordi Samper Montana [ESP] d. Kubler | 6-3 6-3 | | | | | | | | | |
14‑Mar‑2011 | Spain F8 | Clay | R32 | 535 | 422 | Kubler d. (7)Juan Pablo Villar [ARG] | 6-4 6-1 | | | | | | | | | |
7‑Mar‑2011 | Spain F7 | Clay | R32 | 535 | 832 | (WC)Jordi Samper Montana [ESP] d. Kubler | 6-1 7-6(6) | | | | | | | | | |