2004 | 21.08 | Tour Beneden-Maas (Spijkenisse), NED | | 1.3 | | 34-362 |
| | 1. Jans Koerts (NED); 2. Gorik Gardeyn (BEL); 3. Wilco Zuyderwijk (NED) |
2003 | 21.09 | G.P. Isbergues, FRA | | 1.2 | | 34-028 |
| | 1. Jans Koerts (NED); 2. Franck Renier (FRA); 3. Cédric Vasseur (FRA) |
2003 | 30.08 | Tour Beneden-Maas (Spijkenisse), NED | | 1.3 | | 34-006 |
| | 1. Jans Koerts (NED); 2. Erik Dekker (NED); 3. Gerben Löwik (NED) |
2003 | 15.08 | Danmark Rundt, DEN | 4 | 2.2 | | 33-356 |
| | 1. Jans Koerts (NED); 2. Yuri Metlushenko (UKR); 3. Jan Robert Förster (DUI) |
2003 | 26.07 | Sachsen Rundfahrt, DUI | 5 | 2.3 | | 33-336 |
| | 1. Jans Koerts (NED); 2. Fabian Wegmann (DUI); 3. Frank Höj (DEN) |
2003 | 25.06 | Halle - Ingooigem, BEL | | 1.5 | | 33-305 |
| | 1. Jans Koerts (NED); 2. Jan Kuyckx (BEL); 3. Ruud Aerts (NED) |
2003 | 22.05 | Ronde van België, BEL | 2 | 2.3 | | 33-271 |
| | 1. Jans Koerts (NED); 2. Axel Merckx (BEL); 3. Laszlo Bodrogi (HUN) |
2003 | 13.04 | Ronde van Noord Holland, NED | | 1.3 | | 33-232 |
| | 1. Jans Koerts (NED); 2. Matthé Pronk (NED); 3. Oleg Grichkine (RUS) |
2001 | 01.07 | N.K. Nederland, NED | | NC | | 31-311 |
| | 1. Jans Koerts (NED); 2. Rudi Kemna (NED); 3. Louis de Koning (NED) |
2001 | 21.05 | Tour de Picardie - Tour de l'Oise, FRA | 4 | 2.2 | | 31-270 |
| | 1. Jans Koerts (NED); 2. Lars Michaelsen (DEN); 3. Jaan Kirsipuu (EST) |
2001 | 14.03 | Paris - Nice, FRA | 3 | 2.HC | | 31-202 |
| | 1. Jans Koerts (NED); 2. Jean-Patrick Nazon (FRA); 3. Danilo Hondo (DUI) |
2001 | 11.02 | Tour de Langkawi, MAS | 6 | 2.3 | | 31-171 |
| | 1. Jans Koerts (NED); 2. Massimiliano Mori (ITA); 3. Saulius Ruskys (LTU) |
2001 | 09.02 | Tour de Langkawi, MAS | 4 | 2.3 | | 31-169 |
| | 1. Jans Koerts (NED); 2. Ivan Quaranta (ITA); 3. Andris Nauduzs (LAT) |
2000 | 05.11 | Commonwealth Bank Cycle Classic, AUS | 2 | 2.4 | | 31-073 |
| | 1. Jans Koerts (NED); 2. Dirk Schumann (DUI); 3. Ashley Hutchinson (AUS) |
2000 | 04.11 | Commonwealth Bank Cycle Classic, AUS | 1 | 2.4 | | 31-072 |
| | 1. Jans Koerts (NED); 2. Graeme Brown (AUS); 3. Jeremy Hunt (GBR) |
2000 | 28.08 | Vuelta a Espana, SPA | 3 | GT | | 31-004 |
| | 1. Jans Koerts (NED); 2. Alessandro Petacchi (ITA); 3. Jan Svorada (CZE) |
2000 | 04.06 | Sparkassen Giro (Bochum), DUI | | 1.4 | | 30-284 |
| | 1. Jans Koerts (NED); 2. Stuart O'Grady (AUS); 3. Niko Eeckhout (BEL) |
2000 | 30.03 | Driedaagse van De Panne, BEL | 3 | 2.2 | | 30-218 |
| | 1. Jans Koerts (NED); 2. Jeroen Blijlevens (NED); 3. Romans Vainsteins (LAT) |
2000 | 12.03 | Omloop van het Waasland (St. Niklaas - Kemzeke), BEL | | 1.5 | | 30-201 |
| | 1. Jans Koerts (NED); 2. Niko Eeckhout (BEL); 3. Karel Vereecke (BEL) |
1999 | 25.10 | Commonwealth Bank Cycle Classic, AUS | 4 | 2.4 | | 30-062 |
| | 1. Jans Koerts (NED); 2. Jeremy Hunt (GBR); 3. Jonathan Hall (AUS) |
1999 | 23.10 | Commonwealth Bank Cycle Classic, AUS | 1 | 2.4 | | 30-060 |
| | 1. Jans Koerts (NED); 2. Franky Van Haesebroucke (BEL); 3. Piotr Wadecki (POL) |
1999 | 03.10 | G.P. Wielerrevue, NED | | 1.5 | | 30-040 |
| | 1. Jans Koerts (NED); 2. John Talen (NED); 3. Geert Omloop (BEL) |
1999 | 15.09 | Rheinland Pfalz Rundfahrt, DUI | 4 | 2.5 | | 30-022 |
| | 1. Jans Koerts (NED); 2. André Schulze (DUI); 3. Michael van der Wolf (NED) |
1999 | 19.06 | Ronde van Drenthe, NED | | 1.5 | | 29-299 |
| | 1. Jans Koerts (NED); 2. Martin van Steen (NED); 3. Rudi Kemna (NED) |
1999 | 13.06 | OZ Wielerweekend, NED | | 2.5 | | 29-293 |
| | 1. Jans Koerts (NED); 2. Bram Schmitz (NED); 3. Erwin Thijs (BEL) |
1999 | 12.06 | OZ Wielerweekend, NED | 1 | 2.5 | | 29-292 |
| | 1. Jans Koerts (NED); 2. Wilco Zuyderwijk (NED); 3. Joost Legtenberg (NED) |
1999 | 24.04 | Niedersachsen Rundfahrt, DUI | 2 | 2.5 | | 29-243 |
| | 1. Jans Koerts (NED); 2. Lutz Lehmann (DUI); 3. Christian Wegmann (DUI) |
1999 | 23.04 | Niedersachsen Rundfahrt, DUI | 1 | 2.5 | | 29-242 |
| | 1. Jans Koerts (NED); 2. Frantisek Trkal (CZE); 3. Olaf Pollack (DUI) |
1999 | 16.04 | Ster Elektrotoer, NED | 2 | 2.5 | | 29-235 |
| | 1. Jans Koerts (NED); 2. Jürgen Werner (DUI); 3. Peter Wrolich (OOS) |
1999 | 04.04 | Ronde van Noord Holland, NED | | 1.5 | | 29-223 |
| | 1. Jans Koerts (NED); 2. John den Braber (NED); 3. Michael van der Wolf (NED) |
1999 | 13.03 | Giro del Capo, ZAF | 3 | 2.5 | | 29-201 |
| | 1. Jans Koerts (NED); 2. Manuele Scopsi (ITA); 3. Douglas Ryder (ZAF) |
1999 | 10.03 | Giro del Capo, ZAF | 0 | 2.5 | ITT | 29-198 |
| | 1. Jans Koerts (NED); 2. Johan Van Der Berg (ZAF); 3. Tiaan Kannemeyer (ZAF) |
1999 | 01.03 | Rapport Toer, ZAF | 6 | 2.5 | | 29-189 |
| | 1. Jans Koerts (NED); 2. Neil McDonald (ZAF); 3. Andrey Mizurov (KAZ) |
1999 | 26.02 | Rapport Toer, ZAF | 3 | 2.5 | | 29-186 |
| | 1. Jans Koerts (NED); 2. Etienne Van Wijk (ZAF); 3. Filippo Meloni (ITA) |
1998 | 20.10 | Commonwealth Bank Cycle Classic, AUS | 6 | 2.5 | | 29-057 |
| | 1. Jans Koerts (NED); 2. Graeme Brown (AUS); 3. Robert Hunter (ZAF) |
1998 | 17.10 | Commonwealth Bank Cycle Classic, AUS | 1 | 2.5 | | 29-054 |
| | 1. Jans Koerts (NED); 2. Graeme Brown (AUS); 3. Steffen Wesemann (DUI) |
1998 | 15.08 | Danmark Rundt, DEN | 6 | 2.3 | | 28-356 |
| | 1. Jans Koerts (NED); 2. Alberto Ongarato (ITA); 3. Federico Colonna (ITA) |
1996 | 20.10 | Commonwealth Bank Cycle Classic, AUS | 2 | 2.5 | | 27-057 |
| | 1. Jans Koerts (NED); 2. Jens Voigt (DUI); 3. Kelvin Martin (AUS) |
1996 | 20.10 | Commonwealth Bank Cycle Classic, AUS | 3 | 2.5 | | 27-057 |
| | 1. Jans Koerts (NED); 2. Marcel Wust (DUI); 3. Sven Teutenberg (DUI) |
1996 | 01.09 | G.P. Jef Scherens (Leuven), BEL | | 1.4 | | 27-008 |
| | 1. Jans Koerts (NED); 2. Andrzej Sypytkowski (POL); 3. Wim Omloop (BEL) |
1996 | 21.08 | Vuelta a Burgos, SPA | 3 | 2.2 | | 26-362 |
| | 1. Jans Koerts (NED); 2. Nicola Minali (ITA); 3. Laurent Jalabert (FRA) |
1996 | 07.08 | Memorial Rik Van Steenbergen (Aartselaar), BEL | | 1.3 | | 26-348 |
| | 1. Jans Koerts (NED); 2. Jens Heppner (DUI); 3. Danny Daelman (BEL) |
1996 | 17.04 | Ster Elektrotoer, NED | 2 | 2.5 | | 26-236 |
| | 1. Jans Koerts (NED); 2. Saulius Ruskys (LTU); 3. Sven Teutenberg (DUI) |
1995 | | Omloop van het Houtland (Lichtervelde), BEL | | | | 25-311 |
| | 1. Jans Koerts (NED); 2. Jo Planckaert (BEL); 3. Michel Cornelisse (NED) |
1994 | 07.04 | G.P. de Denain, FRA | | 1.4 | | 24-226 |
| | 1. Jans Koerts (NED); 2. Lars Michaelsen (DEN); 3. Brian Holm Sörensen (DEN) |
1993 | 01.08 | Volta a Portugal, POR | 1 | 2.3 | | 23-342 |
| | 1. Jans Koerts (NED); 2. Paulo Pinto Ferreira (POR); 3. Massimo Strazzer (ITA) |
1993 | 26.05 | Tour d'Armorique, FRA | 2 | 2.4 | | 23-275 |
| | 1. Jans Koerts (NED); 2. Julio Agustin Coello Sanchez (SPA); 3. Michel Van Haecke (BEL) |
1991 | | Ronde van Noord Holland, NED | | | | 21-311 |
| | 1. Jans Koerts (NED); 2. Robert Mulders (NED); 3. Tristan Hoffmann (NED) |
1990 | | Sachsen Rundfahrt, DUI | | | | 20-311 |
| | 1. Jans Koerts (NED); 2. Jan Schaffrath (DDR); 3. Falk Boden (DDR) |