Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Holland
19.04.77, 48 years
19.04.77, 48 years
Boy Westerhof vs. Ruben de Kleijn - head to head matches
| 22.11.04 | q 2 | Boy Westerhof | Ruben de Kleijn | 6-2, 6-72, 6-4 | match details |  Groningen | I. hard |
Boy Westerhof form & Ruben de Kleijn form
Boy Westerhof - last matches
 France F8 - Clay | ||||
| 24.04.18 1st round | vs. Mick Lescure | 4-6, 1-6 |  | match details |
 Portugal F8 - Clay | ||||
| 17.04.18 1st round | vs. Tiago Cacao | 1-6, 6-3, 3-6 | | match details |
| Portugal F7 - Clay | ||||
| 12.04.18 2nd round | vs. Yannick Vandenbulcke | 2-6, 6-3, 2-6 | | match details |
| 11.04.18 1st round | vs. Maxime Mora | 6-4, 6-3 |  | match details |
 Israel F2 - Hard | ||||
| 14.03.18 1st round | vs. Marat Deviatiarov | 4-6, 1-6 | | match details |
| Israel F1 - Hard | ||||
| 08.03.18 1/4 | vs. David Poljak | 7-5, 6-74, 4-6 | | match details |
| 07.03.18 2nd round | vs. Shahar Elbaz | 6-3, 6-4 | | match details |
| 06.03.18 1st round | vs. Ido Zonder | 6-0, 6-2 | | match details |
 Great Britain - I. hard | ||||
| 13.02.18 1st round | vs. Igor Sijsling | 3-6, 4-6 | | match details |
 Germany F3 - Carpet | ||||
| 02.02.18 1/4 | vs. Igor Sijsling | 6-74, 5-7 | | match details |
| 01.02.18 2nd round | vs. Remi Boutillier | 6-3, 7-5 | | match details |
| 30.01.18 1st round | vs. Mick Veldheer | 6-3, 6-4 | | match details |
| Germany F2 - Carpet | ||||
| 25.01.18 2nd round | vs. Jan Choinski | 4-6, 1-6 | | match details |
| 23.01.18 1st round | vs. Juan Pablo Paz | 7-61, 7-66 | | match details |
| France F1 - Clay | ||||
| 14.01.18 fin | vs. Gregoire Barrere | 4-6, 5-7 | | match details |
| 13.01.18 1/2 | vs. Gregoire Jacq | 2-6, 6-1, 7-63 | | match details |
| 12.01.18 1/4 | vs. Alen Avidzba | 7-63, 6-2 | | match details |
| 10.01.18 2nd round | vs. Louis Dussin | 3-6, 6-0, 6-4 | | match details |
| 09.01.18 1st round | vs. Benjamin Dhoe | 4-6, 6-2, 6-3 | | match details |
 Finland F4 - I. hard | ||||
| 14.11.17 1st round | vs. Evgenii Tiurnev | 5-7, 4-6 | | match details |
| Germany F15 - Carpet | ||||
| 17.10.17 1st round | vs. Patrik Nema | 1-5, - Boy Westerhof - retired | | match details |
| Alphen Challenger - Clay | ||||
| 07.09.17 2nd round | vs. Julien Cagnina | 4-6, 3-6 | | match details |
| 06.09.17 1st round | vs. Matteo Viola | 3-6, 6-4, 6-3 | | match details |
| Netherlands F7 - Clay | ||||
| 01.09.17 1/4 | vs. Jelle Sels | 4-6, 2-6 | | match details |
| 31.08.17 2nd round | vs. Michiel De Krom | 6-0, 3-6, 6-4 | | match details |
| 29.08.17 1st round | vs. Mats Hermans | 6-3, 6-2 | | match details |
| Netherlands F6 - Clay | ||||
| 26.08.17 1/2 | vs. Gijs Brouwer | 6-74, 6-74 | | match details |
| 25.08.17 1/4 | vs. Jelle Sels | 4-6, 7-5, 6-4 | | match details |
| 22.08.17 2nd round | vs. Richard Gabb | Richard Gabb - walk over | | match details |
| 22.08.17 1st round | vs. Sidane Pontjodikromo | 6-1, 6-2 | | match details |
Ruben de Kleijn - last matches
| 's-Hertogenbosch - Grass | ||||
| 11.06.05 q 1 | vs. Jean-Francois Bachelot | 3-6, 5-7 | | match details |
| Portugal #1 - Hard | ||||
| 31.01.05 1st round | vs. Benjamin Balleret | 0-6, 0-6 | | match details |
| Portugal #1 - Hard | ||||
| 24.01.05 1st round | vs. Jose-Antonio Sanchez-De Luna | 0-6, 3-6 | | match details |
| Groningen - I. hard | ||||
| 22.11.04 q 2 | vs. Boy Westerhof | 2-6, 7-62, 4-6 | | match details |
| 22.11.04 q 1 | vs. Emin Agaev | 2-6, 7-62, 7-60 | | match details |
 Thailand F3 - Hard | ||||
| 08.11.04 2nd round | vs. David Martin | 4-6, 4-6 | | match details |
| 08.11.04 1st round | vs. Denis Istomin | 7-62, 4-6, 7-63 | | match details |
| Thailand F2 - Hard | ||||
| 01.11.04 1/2 | vs. Martin Slanar | 7-5, 6-74, 7-5 | | match details |
| 01.11.04 1st round | vs. Vijay Kannan | 6-3, 7-5 | | match details |
| 01.11.04 2nd round | vs. Atsuo Ogawa | 6-4, 6-4 | | match details |
| 01.11.04 1/4 | vs. Guillaume Legat | 7-62, 7-64 | | match details |
| 01.11.04 fin | vs. Denis Gremelmayr | 4-6, 0-6 | | match details |
| Metz - I. hard | ||||
| 09.10.04 q 1 | vs. Alex Bogdanovic | 6-3, 1-6, 2-6 | | match details |
 Poland F6 - Clay | ||||
| 06.09.04 1st round | vs. Piotr Olechowski | 2-6, 6-2, 6-1 | | match details |
| 06.09.04 2nd round | vs. Vincent Baudat | 6-2, 6-1 | | match details |
| 06.09.04 1/2 | vs. Mathieu Montcourt | 0-5, - Ruben de Kleijn - retired | | match details |
| 06.09.04 1/4 | vs. Johan Brunstrom | 4-6, 7-63, 6-1 | | match details |
| Poland F5 - Clay | ||||
| 30.08.04 1st round | vs. Christian Grunes | 1-6, 6-4, 3-6 | | match details |
| Netherlands F3 - Clay | ||||
| 16.08.04 1st round | vs. Michael Kurz | 2-6, 4-6 | | match details |
| Hilversum - Clay | ||||
| 19.07.04 q 1 | vs. Alessandro Motti | 6-3, 4-6, 3-6 | | match details |
| Scheveningen - Clay | ||||
| 08.07.02 q 1 | vs. Xavier Pujo | 4-6, 2-6 | | match details |
 Sao Paulo - Clay | ||||
| 24.09.01 q 2 | vs. Dimitri Lorin | 4-6, 5-7 | | match details |
| 24.09.01 q 1 | vs. Iverson Barros | 6-1, 7-65 | | match details |
| Amsterdam - Clay | ||||
| 16.07.01 q 1 | vs. Mehdi Tahiri | 6-75, 1-6 | | match details |
| Scheveningen - Clay | ||||
| 10.07.00 q 1 | vs. Denis Golovanov | 3-6, 2-6 | | match details |