PARIS, June 2 : The claycourts of Roland Garros were transformed into a complex geopolitical chessboard on Tuesday as they produced a French Open semi-final lineup featuring a number of emotionally charged matches in the shadow of Russia's war in Ukraine. Marta Kostyuk defeated fellow Ukrainian Elina Svitolina 6-3 2-6 6-2 on Court Philippe-Chatrier to book a semi-final against 19-year-old Russian Mirra Andreeva, who earlier dismantled Romania's Sorana Cirstea 6-0 6-3.  The other side of the