2011 AON Open Challenger – Singles

June 2025 2011 AON Open Challenger SVK Martin Kližan ARG Leonardo Mayer 6–3, 6–1 singles doubles 2011 AON Open Challenger Fabio Fognini was the defending champion but decided not to participate. Martin Kližan won the title after defeating Leonardo Mayer 6–3, 6–1 in the final. Seeds 30em ESP Pablo Andújar (first round) ARG Carlos Berlocq (withdrew) POR Rui Machado (quarterfinals) ITA Filippo Volandri (second round, retired due to low back pain) KAZ Andrey Golubev (first round) SVK Martin Kližan (champion) ARG Diego Junqueira (first round) POR Frederico Gil (semifinals) ARG Horacio Zeballos (semifinals) Draw Finals Semifinals Final 175 8 POR Frederico Gil 77 4 3 6 SVK Martin Kližan 63 6 6   ARG Leonardo Mayer 7 5   9 ARG Horacio Zeballos 5 1   6 SVK Martin Kližan 6 6     ARG Leonardo Mayer 3 1   Top half First round Second round Quarterfinals Semifinals 1/WC ESP P Andújar 5 6 62   ITA A di Mauro 7 3 77   ITA A Giannessi 6 6   Q MON B Balleret 1 2     CRO K Mesaroš 6 6     ITA S Galvani 1 4   WC ITA Edoardo Eremin 4 3   8 POR F Gil 6 6   4 ITA F Volandri 1 6 6 WC ITA Andea Basso 6 3 1   ITA G Naso 0 6 6   ITA W Trusendi 6 3 3   DEN F Nielsen 6 6     SRB I Bozoljac 1 2   Q AUT Michael Linzer 1 2   6 SVK M Kližan 6 6     ITA A di Mauro 4 4     ITA A Giannessi 6 6     CRO K Mesaroš 1 4   8 POR F Gil 6 6   4 ITA F Volandri 0 1r     ITA G Naso 6 4     DEN F Nielsen 2 4   6 SVK M Kližan 6 6     ITA A Giannessi 5 1   8 POR F Gil 7 6     ITA G Naso 61 3   6 SVK M Kližan 77 6   8 POR F Gil 77 4 3 6 SVK M Kližan 63 6 6 Bottom half First round Second round Quarterfinals Semifinals 5 KAZ A Golubev 6 4 4   GER M Zverev 4 6 6   ARG L Mayer 6 77     GER D Brown 3 65   WC ITA Francesco Picco 2 4   Alt ITA D Giorgini 6 6    LL ARG R Olivo 1 2   3 POR R Machado 6 6   7 ARG D Junqueira 6 3 5 Q ITA T Fabbiano 2 6 7   ITA M Crugnola 6 6   Q ARG Guillermo Durán 2 3     FIN T Nieminen 4 1   LL ITA Enrico Burzi 6 6   Alt SRB B Pašanski 3 77 66 9 ARG H Zeballos 6 64 78   GER M Zverev 4 0     ARG L Mayer 6 6   Alt ITA D Giorgini 6 3 4 3 POR R Machado 3 6 6 Q ITA T Fabbiano 5 6 6   ITA M Crugnola 7 1 4 LL ITA E Burzi 4 2   9 ARG H Zeballos 6 6     ARG L Mayer 6 77   3 POR R Machado 3 61   Q ITA T Fabbiano 3 1   9 ARG H Zeballos 6 6     ARG L Mayer 7 6   9 ARG H Zeballos 5 1   References Main Draw Qualifying Draw AON Open Challenger - Singles Category:AON Open Challenger AON