The 2015 Topshelf Open was a tennis tournament played on outdoor grass courts. It was the 26th edition of the Rosmalen Grass Court Championships, and was part of the 250 Series of the 2015 ATP World Tour, and of the WTA International tournaments of the 2015 WTA Tour. Both the men's and the women's events took place at the Autotron park in Rosmalen, 's-Hertogenbosch in the Netherlands, from June 8 through June 14, 2015.
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
The following pairs received wildcards into the doubles main draw:
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following pairs received wildcards into the doubles main draw: