Italy's Lorenzo Musetti was pushed to a pair of tiebreakers Tuesday before the No. 5 seed earned his way to the second round of the Boss Open at Stuttgart, Germany, with a 7-6 (9), 7-6 (9) victory over qualifier Giovanni Mpetshi Perricard of France.
Two-time Boss Open champion Matteo Berrettini of Italy also was pushed to the brink before earning a 7-6 (8), 5-7, 7-5 victory over No. 8 seed Roman Safiullin of Russia.
