16‑Nov‑2009 | Bratislava CH | Hard | R32 | 212 | 232 | Tobias Kamke [GER] d. Arnaboldi | 6-3 6-0 | | | | | | | | | |
9‑Nov‑2009 | Aachen CH | Carpet | R32 | 213 | 184 | (8)Dieter Kindlmann [GER] d. Arnaboldi | 6-1 7-5 | | | | | | | | | |
2‑Nov‑2009 | Eckental CH | Carpet | R16 | 206 | 203 | Dustin Brown [GER] d. Arnaboldi | 6-2 6-4 | | | | | | | | | |
2‑Nov‑2009 | Eckental CH | Carpet | R32 | 206 | 238 | Arnaboldi d. Yannick Mertens [BEL] | 6-2 7-5 | | | | | | | | | |
19‑Oct‑2009 | Croatia F10 | Clay | QF | 216 | 350 | (5)Pedro Clar Rossello [ESP] d. (1)Arnaboldi | 6-4 6-4 | | | | | | | | | |
19‑Oct‑2009 | Croatia F10 | Clay | R16 | 216 | 632 | (1)Arnaboldi d. Ismar Gorcic [BIH] | 7-5 6-1 | | | | | | | | | |
19‑Oct‑2009 | Croatia F10 | Clay | R32 | 216 | 510 | (1)Arnaboldi d. Antonio Sancic [CRO] | 6-2 6-2 | | | | | | | | | |
12‑Oct‑2009 | Croatia F9 | Clay | QF | 209 | 491 | Attila Balazs [HUN] d. (1)Arnaboldi | 7-5 6-2 | | | | | | | | | |
12‑Oct‑2009 | Croatia F9 | Clay | R16 | 209 | 396 | (1)Arnaboldi d. Marc Sieber [GER] | 2-6 6-1 6-4 | | | | | | | | | |
12‑Oct‑2009 | Croatia F9 | Clay | R32 | 209 | 906 | (1)Arnaboldi d. (Q)Ante Pavic [CRO] | 6-7(2) 6-3 7-5 | | | | | | | | | |
21‑Sep‑2009 | Ljubljana CH | Clay | R32 | 207 | 130 | (2)Roko Karanusic [CRO] d. Arnaboldi | 3-6 6-1 6-3 | | | | | | | | | |
14‑Sep‑2009 | Todi CH | Clay | SF | 233 | 382 | (Q)Adrian Ungur [ROU] d. Arnaboldi | 6-3 6-2 | | | | | | | | | |
14‑Sep‑2009 | Todi CH | Clay | QF | 233 | 195 | Arnaboldi d. David Marrero [ESP] | 7-6(3) 6-0 | | | | | | | | | |
14‑Sep‑2009 | Todi CH | Clay | R16 | 233 | 183 | Arnaboldi d. (6)Tomas Tenconi [ITA] | 6-4 7-5 | | | | | | | | | |
14‑Sep‑2009 | Todi CH | Clay | R32 | 233 | 305 | Arnaboldi d. Yuichi Sugita [JPN] | 6-4 6-3 | | | | | | | | | |
7‑Sep‑2009 | Alphen aan den Rijn CH | Clay | QF | 238 | 166 | (7)Stephane Robert [FRA] d. Arnaboldi | 6-4 4-6 6-2 | | | | | | | | | |
7‑Sep‑2009 | Alphen aan den Rijn CH | Clay | R16 | 238 | 136 | Arnaboldi d. (4)Paolo Lorenzi [ITA] | 6-1 4-6 6-2 | | | | | | | | | |
7‑Sep‑2009 | Alphen aan den Rijn CH | Clay | R32 | 238 | 198 | Arnaboldi d. Sergei Bubka [UKR] | 7-6(0) 6-0 | | | | | | | | | |
31‑Aug‑2009 | Como CH | Clay | R32 | 238 | 444 | (Q)Jonathan Eysseric [FRA] d. Arnaboldi | 6-1 6-3 | | | | | | | | | |
24‑Aug‑2009 | Manerbio CH | Clay | R32 | 237 | 201 | (6)Alessio Di Mauro [ITA] d. Arnaboldi | 6-1 2-6 6-2 | | | | | | | | | |
17‑Aug‑2009 | San Sebastian CH | Clay | R32 | 235 | 433 | (Q)Pedro Clar Rossello [ESP] d. Arnaboldi | 6-4 6-3 | | | | | | | | | |
10‑Aug‑2009 | Vigo CH | Clay | R32 | 233 | 120 | (5)Pablo Andujar [ESP] d. Arnaboldi | 6-4 6-4 | | | | | | | | | |
27‑Jul‑2009 | Tampere CH | Clay | R16 | 230 | 182 | (7)Yuri Schukin [KAZ] d. Arnaboldi | 6-7(5) 6-3 6-3 | | | | | | | | | |
27‑Jul‑2009 | Tampere CH | Clay | R32 | 230 | 514 | Arnaboldi d. (WC)Alexandros Jakupovic [GRE] | 6-2 6-4 | | | | | | | | | |
19‑Jul‑2009 | Hamburg | Clay | Q1 | 232 | 85 | (3)Daniel Gimeno Traver [ESP] d. Arnaboldi | 7-6(5) 2-6 6-4 | | | | | | | | | |
13‑Jul‑2009 | Stuttgart | Clay | Q2 | 235 | 336 | Gabriel Trujillo Soler [ESP] d. (6)Arnaboldi | 6-4 6-4 | | | | | | | | | |
6‑Jul‑2009 | Oberstaufen CH | Clay | R32 | 247 | 173 | (6)Stefan Koubek [AUT] d. Arnaboldi | 6-3 6-2 | | | | | | | | | |
29‑Jun‑2009 | Turin CH | Clay | R16 | 261 | 134 | Santiago Giraldo [COL] d. (WC)Arnaboldi | 6-4 6-1 | | | | | | | | | |
29‑Jun‑2009 | Turin CH | Clay | R32 | 261 | 85 | (WC)Arnaboldi d. (4)Diego Junqueira [ARG] | 5-7 6-4 6-4 | | | | | | | | | |
15‑Jun‑2009 | Bytom CH | Clay | R32 | 265 | 438 | (Q)Artem Smirnov [UKR] d. Arnaboldi | 7-6(6) 6-3 | | | | | | | | | |
8‑Jun‑2009 | Lugano CH | Clay | SF | 297 | 85 | (4)Potito Starace [ITA] d. (Q)Arnaboldi | 6-4 6-2 | | | | | | | | | |
8‑Jun‑2009 | Lugano CH | Clay | QF | 297 | 385 | (Q)Arnaboldi d. (Q)Cristian Villagran [ARG] | 6-3 2-0 RET | | | | | | | | | |
8‑Jun‑2009 | Lugano CH | Clay | R16 | 297 | 120 | (Q)Arnaboldi d. Josselin Ouanna [FRA] | 6-4 6-4 | | | | | | | | | |
8‑Jun‑2009 | Lugano CH | Clay | R32 | 297 | 88 | (Q)Arnaboldi d. (2)Victor Crivoi [ROU] | 1-6 6-0 7-5 | | | | | | | | | |
18‑May‑2009 | Italy F11 | Clay | F | 341 | 1260 | (4)Arnaboldi d. (Q)Morgan Phillips [GBR] | 7-6(7) 6-3 | | | | | | | | | |
18‑May‑2009 | Italy F11 | Clay | SF | 341 | 527 | (4)Arnaboldi d. Julien Jeanpierre [FRA] | 6-2 3-6 6-2 | | | | | | | | | |
18‑May‑2009 | Italy F11 | Clay | QF | 341 | 625 | (4)Arnaboldi d. Ismar Gorcic [BIH] | 6-2 6-2 | | | | | | | | | |
18‑May‑2009 | Italy F11 | Clay | R16 | 341 | 829 | (4)Arnaboldi d. (WC)Matteo Trevisan [ITA] | 6-4 6-4 | | | | | | | | | |
18‑May‑2009 | Italy F11 | Clay | R32 | 341 | 563 | (4)Arnaboldi d. Leonardo Azzaro [ITA] | 6-4 6-4 | | | | | | | | | |
11‑May‑2009 | Zagreb CH | Clay | R16 | 363 | 63 | (1)Nicolas Devilder [FRA] d. (Q)Arnaboldi | 6-1 6-4 | | | | | | | | | |
11‑May‑2009 | Zagreb CH | Clay | R32 | 363 | 144 | (Q)Arnaboldi d. Brendan Evans [USA] | 6-3 7-6(7) | | | | | | | | | |
3‑May‑2009 | Estoril | Clay | Q2 | 367 | 181 | (2)Mikhail Kukushkin [KAZ] d. Arnaboldi | 6-4 6-1 | | | | | | | | | |
3‑May‑2009 | Estoril | Clay | Q1 | 367 | 1904 | Arnaboldi d. Jose Ricardo Nunes [POR] | 6-2 6-1 | | | | | | | | | |
13‑Apr‑2009 | Rome CH | Clay | QF | 409 | 206 | Marco Crugnola [ITA] d. (Q)Arnaboldi | 6-0 2-6 6-4 | | | | | | | | | |
13‑Apr‑2009 | Rome CH | Clay | R16 | 409 | 143 | (Q)Arnaboldi d. (5)Ilija Bozoljac [SRB] | 6-7(5) 6-3 6-1 | | | | | | | | | |
13‑Apr‑2009 | Rome CH | Clay | R32 | 409 | 200 | (Q)Arnaboldi d. Alessio Di Mauro [ITA] | 7-5 6-1 | | | | | | | | | |
6‑Apr‑2009 | Monza CH | Clay | R32 | 366 | 112 | (1)Simon Greul [GER] d. (WC)Arnaboldi | 5-7 6-3 6-3 | | | | | | | | | |
9‑Feb‑2009 | Spain F5 | Clay | F | 364 | 333 | (2)Arnaboldi d. (1)Javier Genaro Martinez [ESP] | 6-2 1-6 6-2 | | | | | | | | | |
9‑Feb‑2009 | Spain F5 | Clay | SF | 364 | 1141 | (2)Arnaboldi d. (Q)Steven Diez [CAN] | 7-6(7) 6-2 | | | | | | | | | |
9‑Feb‑2009 | Spain F5 | Clay | QF | 364 | 717 | (2)Arnaboldi d. Goran Tosic [MNE] | 4-6 6-3 6-3 | | | | | | | | | |
9‑Feb‑2009 | Spain F5 | Clay | R16 | 364 | 726 | (2)Arnaboldi d. Guillermo Alcorta Olarra [ESP] | 7-5 6-1 | | | | | | | | | |
9‑Feb‑2009 | Spain F5 | Clay | R32 | 364 | 785 | (2)Arnaboldi d. Cedrik Marcel Stebe [GER] | 6-1 6-3 | | | | | | | | | |
2‑Feb‑2009 | Spain F4 | Clay | SF | 360 | 151 | (1)Pere Riba [ESP] d. (6)Arnaboldi | 6-4 6-3 | | | | | | | | | |
2‑Feb‑2009 | Spain F4 | Clay | QF | 360 | 338 | (6)Arnaboldi d. (3)Guillermo Olaso [ESP] | 3-6 6-2 6-1 | | | | | | | | | |
2‑Feb‑2009 | Spain F4 | Clay | R16 | 360 | 973 | (6)Arnaboldi d. (Q)Alexander Ward [GBR] | 6-4 6-4 | | | | | | | | | |
2‑Feb‑2009 | Spain F4 | Clay | R32 | 360 | 1242 | (6)Arnaboldi d. (Q)Andrea Alviano [ITA] | 7-5 6-2 | | | | | | | | | |
26‑Jan‑2009 | Spain F3 | Clay | QF | 358 | 328 | (3)Jose Antonio Sanchez De Luna [ESP] d. (5)Arnaboldi | 7-5 6-1 | | | | | | | | | |
26‑Jan‑2009 | Spain F3 | Clay | R16 | 358 | 1241 | (5)Arnaboldi d. (Q)Andrea Alviano [ITA] | 6-0 6-1 | | | | | | | | | |
26‑Jan‑2009 | Spain F3 | Clay | R32 | 358 | 1524 | (5)Arnaboldi d. (Q)Rafael Mazon Hernandez [ESP] | 6-2 6-3 | | | | | | | | | |
19‑Jan‑2009 | Spain F2 | Clay | R16 | 358 | 676 | Bruno Rodriguez [MEX] d. (3)Arnaboldi | 7-6(4) 4-6 6-3 | | | | | | | | | |
19‑Jan‑2009 | Spain F2 | Clay | R32 | 358 | 512 | (3)Arnaboldi d. Pablo Martin Adalia [ESP] | 4-6 6-2 6-2 | | | | | | | | | |