Germany's Benjamin Becker defeated Dutch wild card entry Raemon Sluiter 7-5, 6-3 to win the Den Bosch Open final on Saturday. In the women's event, Tamarine Tanasugarn of Thailand had earlier successfully defended her title by defeating 19-year-old Yanina Wickmayer 6-3, 7-5.
Rohan Bopanna and Uruguay's Pablo Cuevas lost to Raemon Sluiter and Peter Wessels in the final of the Siemens Open on Sunday.
A back injury forced Lleyton Hewitt to withdraw from the Miami Masters before his second-round match.
The World Number One roused himself from a tennis torpor in the nick of time to beat Raemon Sluiter 7-6, 3-6, 7-6.
Prakash Amritraj and Harsh Mankad lost the reverse singles as The Netherlands won the Davis Cup play-off tie 5-0.
The third seeds were shocked by 16th seeds Julian Knowle of Austria and Nenad Zimonjic of Serbia and Montenegro in the men's doubles third round at Wimbledon.
Bhupathi and Max Mirnyi entered the third round of the men's doubles at Wimbledon while Paes and partner David Rikl lost their second round match.
Svitolina arrived in Singapore out of form yet determined to "silence the haters", who she said believed she did not deserve to be in the tournament, and the Ukrainian has played brilliantly to win all three pool matches and her semi-final.