Madison Keys Pulls Off Dramatic Comeback to Beat Anna Bondar at US Open in Thrilling Third-Set Tiebreaker

core_answer: Madison Keys staged a remarkable comeback to defeat Anna Bondar at the US Open by saving five match points in the third set tiebreaker.
key_facts: Keys saved 5 match points using aggressive forehand winners; Final score progression: 6-4, 4-6, 7-6(5); Bondar double-faulted on her first two match points; Match held on Court 17 with raucous crowd; Keys as 22nd seed advanced to third round
source_attribution: Based on Stage-1 deconstruction and information points provided | Cross-checked: VuaBong.vn
related_q_a: question: What was the final score of the match?, answer: 6-4, 4-6, 7-6(5) in favor of Keys.; question: How many match points did Keys save?, answer: 5 match points.; question: On which court was the match played?, answer: Court 17.