(COMBO) This combination of files pictures created on June 4, 2026 shows (from top) Ukraine's Marta Kostyuk playing a forehand return to Poland's Iga Swiatek during their women's singles match on day 8 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on May 31, 2026 and Mirra Andreeva playing a backhand return to Romania's Sorana Cirstea during their women's quarter final singles match on day 10 of the French Open tennis tournament on Court Philippe-Chatrier at the Roland-Garros Complex in Paris on June 2, 2026.. Marta Kostyuk says she will be "very happy to represent Ukraine" when she faces Russian teenager Mirra Andreeva in the French Open semi-finals on June 4, 2026. (Photo by JULIEN DE ROSA / AFP via Getty Images)