became too problematic during a French Open second-round match. He didn't stop, but he did drop 13 of the last 14 games in a loss Wednesday. Advertisement Article continues below this ad Afterward ...

became too problematic during a French Open second-round match. He didn't stop, but he did drop 13 of the last 14 games in a loss Wednesday. Afterward, the 26-year-old Norwegian voiced concerns ...

Norway's Casper Ruud wipes his face as he plays Portugal's Nuno Borges during their second round match of the French Tennis Open, at the Roland-Garros stadium, in Paris, May 28. Afterward ...