Tennis-Sinner equals Djokovic's 31-match Masters run, marches into Rome quarters
ROME, May 12 (Reuters) - World number one Jannik Sinner extended his Masters 1000 winning streak to 31 matches, equalling Novak Djokovic's all-time record, with a 6-2 6-3 victory over unseeded compatriot Andrea Pellegrino in the round of 16 of the Italian Open on Tuesday.