Second-seeded Diego Schwartzman of Argentina produced hot streaks in both tiebreakers and emerged with a 7–6 (2), 7–6 (4) win over Spain’s Jaume Munar on Thursday in the second round of the Argentina Open in Buenos Aires.
The first-set tiebreaker was level 2–2 before Schwartzman won the next five points. In the second-set tiebreaker, Schwartzman won the first six points. Munar then saved four match points before Schwartzman sealed the victory.