The field of participants in the single competition consisted of 28 players, that of the doubles competition consisted of 16 pairs. The four top seeded players each received a bye into the second round. The total prize money was 439,405 euros; the total financial liabilities were 494,310 euros.
The qualification for the Swiss Open Gstaad 2015 took place on July 25th and 26th, 2015. Four qualifying places were played, which entitle them to participate in the main draw of the tournament.
At the Swiss Open Gstaad 2015, the following prize money and world ranking points were paid out or credited for reaching the respective round. Players who entered the main field from qualification received the specified qualification points in addition to those for reaching the respective round. Otherwise the amounts are not to be understood as cumulative. The amounts for the double competition apply per player.
Pablo Andújar
Andre Begemann Robin Haase
Dominic Thiem
Aljaksandr Bury Denis Istomin
Stéphane Robert (103)
Horacio Zeballos
D. Goffin
A. Rublev
J. Sousa
T. Bellucci
D. Lajović
S. Giraldo
P. Lorenzi
M. İlhan
B. Kavčič
