Sofia Costoulas

Sofia Costoulas from Belgium was born on 2 April 2005 and is 21 years old. The tennis player holds a WTA singles ranking of 156 (471 points), with a career high of 134. In the 2026 season, according to Tennis Post's match data, Costoulas played 16 matches across 7 tournaments, winning 9 and losing 7. Her season included appearances at Grand Slam events: she lost in qualifying at the French Open, Wimbledon and the US Open. She also competed in WTA tournaments in Athens, Prague and Singapore, reaching the quarter-final in Auckland.