We’re in a fourth set tiebreak at Arthur Ashe Stadium. If Federer wins, he earns his sixth straight U.S. Open. If del Potro wins, he’ll extend this match to a fifth, and deciding, set.
Tiebreak in Fourth Set
Del Potro took a second set tiebreak, just the fourth out of 22 Federer had lost in his Grand Slam final career.
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