American qualifier Christian Harrison upset top-seeded Cristian Garin of Chile within the second spherical of the Delray Seashore Open.
Harrison, ranked No.789, prevailed 7-6 (7-3) 6-2 to double his profession wins on the ATP Tour to 4 and attain his maiden top-tier quarter-final.
The 26-year-old – whose profession has been hampered by a number of surgical procedures – squandered three consecutive set factors serving at 6-5 within the first set and misplaced serve, however regrouped to dominate the tiebreaker.
He swept the ultimate 4 video games of the match to grow to be the second-lowest-ranked quarter-finalist in event historical past.
Solely former world No.Three Juan Martin del Potro, who achieved the feat on the damage comeback path because the world No.1042 in 2016, had a decrease rating.
Garin, who had a first-round bye, began the event because the world No.22 however had no reply to Harrison on Saturday.
“I simply love the game, I really like what I am doing,” Harrison stated.
“I simply cannot wait to maintain taking part in and hopefully have a great, wholesome subsequent couple of years.”
Harrison subsequent performs Gianluca Mager of Italy, who superior by beating sixth-seeded and 2016 champion Sam Querrey 7-6 (8-6) 6-1.