| TSH Haren Open 2021 (Haren (Gr), 31 jul - 8 aug) ** |
| 1R HE |
Max van Wijk |
/ |
Robbert Middendorp |
6-3, 6-3 |
|
| Cream Crackers Open 2019 (Groningen, 10 aug - 18 aug) * |
| 2R HE |
Boas Deden |
/ |
Robbert Middendorp |
6-3, 6-1 |
1R HE |
Robbert Middendorp |
/ |
Ricardo van Zutphen |
7-5, 6-7, 6-3 |
|
| REO StaanArbo Open 2019 (Roden, 3 aug - 11 aug) **** |
| 1R HD |
Boas Deden - Jouke Jan Schaap |
/ |
Robbert Middendorp - Kai Rottiné |
6-3, 6-1 |
|
| De Bontekoe NRT 2018 (Leeuwarden, 25 aug - 2 sep) ** |
| 2R HE |
Igor Straatsma |
/ |
Robbert Middendorp |
6-2, 6-3 |
1R HE |
Robbert Middendorp |
/ |
Pieter-Dirk Gerritsen |
6-4, 6-4 |
KF HD |
Rutger Balk - Frank Zeer |
/ |
Jetse Jongsma - Robbert Middendorp |
6-2, 6-2 |
|
| De Bontekoe NRT 2014 (Leeuwarden, 24 aug - 31 aug) ** |
| KF HE |
Jori Meulenbeld |
/ |
Robbert Middendorp |
6-2, 6-2 |
2R HE |
Robbert Middendorp |
/ |
Milko Mulder |
Walkover |
1R HE |
Robbert Middendorp |
/ |
Marnix Pluim |
6-3, 6-2 |
|
| De Bontekoe NRT 2013 (Leeuwarden, 24 aug - 1 sep) ** |
| 1R HE |
Timothy Blok |
/ |
Robbert Middendorp |
6-0, 6-2 |
|
| Björn Borg TAM Open 2009 (Groningen, 29 jun - 5 jul) ** |
| 1R HE |
Erik Dallinga |
/ |
Robbert Middendorp |
6-2, 6-3 |
|
| Dynamische Rating / Speelsterkte |
| Datum |
Enkel |
Dubbel |
| 1 aug 2022 |
3,8280 |
| 1 jan 2015 |
3 |
4 |
| 1 jan 2014 |
2,9914 |
| 1 jan 2014 |
3 |
| 1 nov 2013 |
2,9914 |
| 1 okt 2013 |
2,9914 |
| 1 sep 2013 |
2,8245 |
| 1 aug 2013 |
2,8245 |
| 1 jan 2013 |
3 |
3 |
| 1 okt 2012 |
|
3,0971 |
| 1 jan 2011 |
3 |
3 |
| 1 okt 2010 |
|
2,8729 |
| 1 sep 2010 |
2,8008 |
| 1 aug 2010 |
2,8996 |
| 1 jul 2010 |
2,8996 |
| 1 jun 2010 |
2,8996 |
| 1 mei 2010 |
2,8996 |
| 1 mrt 2010 |
2,8526 |
| 1 jan 2010 |
2,8526 |
| 1 jan 2010 |
3 |
4 |
| 31 dec 2009 |
2,9526 |
| 1 sep 2009 |
2,9742 |
| 1 aug 2009 |
2,9742 |
| 1 jul 2009 |
2,8274 |
| 1 jan 2009 |
4 |
|
| Nederlandse Ranking |
| Datum |
Enkel |
Dubbel |
| 2 jun 2025 |
458 |
380 |
| 5 mei 2025 |
457 |
380 |
| 31 mrt 2025 |
458 |
381 |
| 3 mrt 2025 |
444 |
371 |
| 3 feb 2025 |
441 |
369 |
| 6 jan 2025 |
435 |
360 |
| 2 dec 2024 |
428 |
359 |
| 4 nov 2024 |
422 |
360 |
| 14 okt 2024 |
421 |
360 |
| 9 sep 2024 |
421 |
359 |
| 5 aug 2024 |
426 |
| 3 aug 2020 |
258 |
| 2 mrt 2020 |
254 |
| 4 feb 2020 |
252 |
| 7 jan 2020 |
253 |
| 2 dec 2019 |
262 |
| 4 nov 2019 |
257 |
| 7 okt 2019 |
260 |
| 5 sep 2019 |
256 |
| 5 aug 2019 |
197 |
187 |
| 1 jul 2019 |
216 |
199 |
| 3 jun 2019 |
220 |
199 |
| 29 apr 2019 |
221 |
198 |
| 12 mrt 2019 |
224 |
200 |
| 12 feb 2019 |
225 |
199 |
| 3 dec 2018 |
212 |
186 |
| 5 nov 2018 |
212 |
187 |
| 2 okt 2018 |
212 |
188 |
| 3 sep 2018 |
210 |
186 |
| 3 aug 2015 |
176 |
| 7 jul 2015 |
169 |
| 1 jun 2015 |
175 |
| 4 mei 2015 |
172 |
| 6 apr 2015 |
172 |
| 2 mrt 2015 |
164 |
| 2 feb 2015 |
175 |
| 5 jan 2015 |
178 |
| 1 dec 2014 |
177 |
| 3 nov 2014 |
177 |
| 6 okt 2014 |
172 |
| 1 sep 2014 |
177 |
|
