This is a full listing of the number of tournaments each player has 
played during 2005 for tournaments of all levels.  This lists the top 100

                            Number of     
Player                      Tournaments   
Marach, Oliver (AUT)             41
Sabau, Razvan (ROM)              40
Smith, Matthew (GBR)             40
Ruiz, Hector (ESP)               39
Heuberger, Ivo (SUI)             38
Zib, Tomas (CZE)                 38
Burgsmuller, Lars (GER)          37
Cruciat, Adrian (ROM)            37
Matsukevitch, Denis (RUS)        37
Poch, Carles (ESP)               37
Simon, Gilles (FRA)              37
Durek, Raphael (AUS)             36
Hernandez, Oscar (ESP)           36
Klec, Ivo (GER)                  36
Kubot, Lukasz (POL)              36
Mazarakis, Vasilis (GRE)         36
Sugiyama, Norikazu (JPN)         36
Andujar, Pablo (ESP)             35
Fraile, Gorka (ESP)              35
Gabashvili, Teimuraz (RUS)       35
Joseph, Lesley (USA)             35
Marrero, David (ESP)             35
Moser, Frank (GER)               35
Op Der Heijde, Melvyn (NED)      35
Pless, Kristian (DEN)            35
Rieschick, Sebastian (GER)       35
Andreev, Igor (RUS)              34
Bamford, Neil (GBR)              34
Cerovic, Ivan (CRO)              34
Charroin, Olivier (FRA)          34
Dmitrenko, Konstantin (UKR)      34
Galvani, Stefano (ITA)           34
Garcia, Adrian (CHI)             34
Gonzalez, Santiago (MEX)         34
Greul, Simon (GER)               34
Machado, Rui (POR)               34
Marin, Juan Antonio (CRC)        34
Monroe, Nick (USA)               34
Navarro-Pastor, Ivan (ESP)       34
Perez, Miquel (ESP)              34
Phillips, Morgan (GBR)           34
Quintero, Michael (COL)          34
Renavand, Nicolas (FRA)          34
Roberts, Simon (GBR)             34
Satschko, Alexander (GER)        34
Seppi, Andreas (ITA)             34
Wilson, Brian (USA)              34
Aldi, Francesco (ITA)            33
Azzaro, Leonardo (ITA)           33
Barberan, Sergi (ESP)            33
Behrend, Tomas (GER)             33
Berrer, Michael (GER)            33
Bocko, Matej (SVK)               33
Bogdanovic, Alex (GBR)           33
Cakl, Tomas (CZE)                33
Calatrava, Alex (ESP)            33
Childs, Lee (GBR)                33
Corrie, David (GBR)              33
Davydenko, Nikolay (RUS)         33
Delic, Amer (USA)                33
Dlouhy, Lukas (CZE)              33
Faurel, Jean-Christophe (FRA)    33
Figliomeni, Filippo (ITA)        33
Goloubev, Andrei (RUS)           33
Hodel, Robert (ROM)              33
Jarc, Rok (SLO)                  33
Kim, Kevin (USA)                 33
Lapentti, Nicolas (ECU)          33
Luzzi, Federico (ITA)            33
Mackin, Alan (GBR)               33
Mankad, Harsh (IND)              33
Martin, David (USA)              33
Menendez, Adrian (ESP)           33
Minar, Ivo (CZE)                 33
Ramirez-Hidalgo, Ruben (ESP)     33
Rexach-Itoiz, Carlos (ESP)       33
Sanguinetti, Davide (ITA)        33
Serra, Florent (FRA)             33
Simmonds, Phillip (USA)          33
Srichaphan, Paradorn (THA)       33
Trujillo, Gabriel (ESP)          33
Vanek, Jiri (CZE)                33
Vukov, Stefan (CRO)              33
Weiner, Glenn (USA)              33
Auckland, James (GBR)            32
Benneteau, Julien (FRA)          32
Bloomfield, Richard (GBR)        32
Bracciali, Daniele (ITA)         32
Brewer, David (GBR)              32
Burn, Tom (GBR)                  32
Burniol, Guillem (ESP)           32
Carraz, Gregory (FRA)            32
Cipolla, Flavio (ITA)            32
Colangelo, Fabio (ITA)           32
Condor, Frank (ESP)              32
Connolly, Ross (GBR)             32
Cuevas, Pablo (URU)              32
Fleming, Colin (GBR)             32
Garza, Daniel (MEX)              32
Gimeno, Daniel (ESP)             32
Granollers, Marcel (ESP)         32
Hilton, Mark (GBR)               32
Hrbaty, Dominik (SVK)            32
Hutchins, Ross (GBR)             32
Karanusic, Roko (CRO)            32
Knittel, Bastian (GER)           32
Kohlschreiber, Philipp (GER)     32
Kollerer, Daniel (AUT)           32
Lipsky, Scott (USA)              32
Mamiit, Cecil (USA)              32
Masson, Jeroen (BEL)             32
Motti, Alessandro (ITA)          32
Muguruza, Igor (VEN)             32
Murray, Jamie (GBR)              32
Petrazzuolo, Giancarlo (ITA)     32
Reynolds, Bobby (USA)            32
Rochus, Christophe (BEL)         32
Rojer, Jean-Julien (AHO)         32
Schukin, Yuri (RUS)              32
Stakhovsky, Sergey (UKR)         32
Vagnozzi, Simone (ITA)           32
Valtzer, Dekel (ISR)             32
Vico, Uros (ITA)                 32
Wurtzman, Jeremy (USA)           32
Yani, Michael (USA)              32
Zemlja, Grega (SLO)              32