Tennis-Kalinskaya holds nerve to beat Potapova, reach Paris quarter-finals
By Shrivathsa Sridhar PARIS, June 1 (Reuters) - Anna Kalinskaya reached her maiden French Open quarter-final with a 6-4 2-6 7-6(10-7) win over 28th seed Anastasia Potapova on Monday, marking only the second time the Russian has entered that stage of a Grand Slam.