Mumbai, June 2 -- In her last press conference a few days ago, Iga Swiatek joked that she does not have a poker face. On Sunday, she proved it. Calmness, anger, worry, relief, and eventually, joy. She showed it all as she took on world No.11 and former Wimbledon champion Elena Rybakina in the fourth round of the French Open. In an emotional roller coaster that lasted two hours and 30 minutes on Court Philippe Chatrier, Swiatek eventually completed a 1-6, 6-3, 7-5 win to move into the quarter-final. As she hit a forehand cross-court winner on match point, Swiatek let out a roar, pumped her fists and thumped her chest. This was rare celebration for the defending champion chasing her fifth title so early in the tournament. But it was indicativ...