MELBOURNE, Jan 26 (Reuters) - Jessica ‌Pegula said reaching a Grand Slam quarter‑final should be considered a success regardless of whether ‌she progresses any further at the tournament, after the American returned to the last ‌eight of the Australian Open on Monday.

The 31-year-old beat defending champion Madison Keys 6-3 6-4 to reach the quarters for the fourth time at Melbourne Park as she continues her quest for a first Grand Slam crown.