| 2010 Siemens Open | |
|---|---|
| Date | July 5 – July 11 |
| Edition | 18th |
| Location | Scheveningen, Netherlands |
| Champions | |
| Singles | |
 Denis Gremelmayr | |
| Doubles | |
 Franco Ferreiro /  Harsh Mankad | |
The 2010 Siemens Open was a professional tennis tournament played on outdoor red clay courts. This was the eleventh edition of the tournament, now called The Hague Open, which is part of the Tretorn SERIE+ of the 2010 ATP Challenger Tour. It took place in Scheveningen, Netherlands between 5 July and 11 July 2010.
| Nationality | Player | Ranking* | Seeding |
|---|---|---|---|
 URU | Pablo Cuevas | 56 | 1 |
 AUS | Peter Luczak | 83 | 2 |
 AUT | Daniel Köllerer | 110 | 3 |
 ESP | Óscar Hernández | 125 | 4 |
| GER | Tobias Kamke | 126 | 5 |
 BEL | Steve Darcis | 132 | 6 |
 KAZ | Yuri Schukin | 147 | 7 |
| BRA | Júlio Silva | 169 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
André Ghem Rameez Junaid (as a Lucky Loser)
Morgan Phillips (as a Lucky Loser)
Nicolas Renavand 
Jasper Smit Jan-Lennard Struff Denis Gremelmayr def. Thomas Schoorel 7–5, 6–4
Franco Ferreiro / Harsh Mankad def. Rameez Junaid / Philipp Marx 6–4, 3–6, [10–7]
The 2010 Busan Open Challenger Tennis was a professional tennis tournament played on outdoor hard courts. It was part of the 2010 ATP Challenger Tour. It took place in Busan, South Korea between May 10 and May 16, 2010.
The 2009 Baden Open was a professional tennis tournament played on outdoor red clay courts. It was part of the 2009 ATP Challenger Tour. It took place in Karlsruhe, Germany between May 25–31, 2009.
The 2010 Franken Challenge was a professional tennis tournament played on outdoor red clay courts. It was part of the 2010 ATP Challenger Tour. It took place in Fürth, Germany between 30 May – 6 June 2010.
The 2009 Siemens Open was a professional tennis tournament played on outdoor red clay courts. This was the seventeenth edition of the tournament which is part of the Tretorn SERIE+ of the 2009 ATP Challenger Tour. It took place in Scheveningen, Netherlands between 6 July and 12 July 2009.
The 2009 TEAN International was a professional tennis tournament played on outdoor red clay courts. It was the fourteenth edition of the tournament which was part of the 2009 ATP Challenger Tour. It took place in Alphen aan den Rijn, Netherlands between 7 and 13 September 2009.
The 2010 Pekao Szczecin Open was a professional tennis tournament played on outdoor red clay courts. It was the 18th edition of the tournament which is part of the 2010 ATP Challenger Tour. It took place in Szczecin, Poland between 13 and 19 September 2010.
The 2010 Türk Telecom İzmir Cup was a professional tennis tournament played on outdoor hard courts. It was part of the 2010 ATP Challenger Tour. It took place in İzmir, Turkey between September 20 and 26, 2010.
The 2013 Swedish Open was a tennis tournament played on outdoor clay courts as part of the ATP World Tour 250 Series of the 2013 ATP World Tour and as part of the International Series on the 2013 WTA Tour. It took place in Båstad, Sweden, from July 6 through July 14, 2013 for the Men's tournament and from July 13 through July 21, 2013 for the Women's tournament. It was also known as the 2013 SkiStar Swedish Open for the Men's and the 2013 Collector Swedish Open for the Women's for sponsorship reasons. It was the 66th edition for the Men's and the 5th edition for the Women's.
The 2013 Tampere Open was a professional tennis tournament played on clay courts. It was the 32nd edition of the tournament which was part of the 2013 ATP Challenger Tour and the 2013 ITF Women's Circuit. It took place in Tampere, Finland, on 22–28 July 2013.
The 2013 Svijany Open was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Liberec, Czech Republic between 29 July and 4 August 2013.
The 2013 Maserati Challenger was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2013 ATP Challenger Tour. It took taking place in Meerbusch, Germany, between 10 and 18 August 2013.
The 2013 Città di Como Challenger was a professional tennis tournament played on clay courts. It was the eight edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Como, Italy between 26 August and 1 September 2013.
The 2013 Sibiu Open was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2013 ATP Challenger Tour. It takes place in Sibiu, Romania between 23 and 29 September 2013.
The 2014 Sparkassen Open was a professional tennis tournament played on clay courts. It was the 21st edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Braunschweig, Germany between 30 June and 5 July 2014.
The 2015 Sport 1 Open was a professional tennis tournament played on clay courts. It was the 23rd edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Scheveningen, Netherlands between 20 and 26 July 2015.
The 2016 Sparkassen Open is a professional tennis tournament played on clay courts. It is the 23rd edition of the tournament which is part of the 2016 ATP Challenger Tour. It will take place in Braunschweig, Germany between 4 and 10 July 2016.
The 2015 Ethias Trophy was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Mons, Belgium between 5 October and 11 October 2015.
The 2017 Prosperita Open was a professional tennis tournament played on clay courts. It was the 14th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 1 and 7 May.
The 2018 Internationaux de Tennis de Blois was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Blois, France between 18 and 24 June 2018.
The 2018 Firenze Tennis Cup was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Florence, Italy between 1 October and 7 October 2018.