Sebastian Korda and Alex Michelsen made a hot start to their team debut Wednesday at the Mubadala Citi DC Open. The American wild cards defeated Julian Cash and Robert Galloway 6-4, 6-2 in just 47 minutes to reach the quarter-finals.
Korda and Michelsen won 57 per cent of their second-serve points, according to Infosys ATP Stats, compared to Cash and Galloway's 41 per cent.
Up next for the duo is second seeds Max Purcell and Jordan Thompson. Korda partnered Thompson to win this year's ATP Masters 1000 event in Madrid.
Michelsen won his singles opener earlier in the day against Mattia Bellucci. The 19-year-old and fourth seed Korda are both in the Round of 16.
Atlanta champions Nathaniel Lammons and Jackson Withrow extended their winning streak to five matches by defeating Alexander Erler and Arthur Rinderknech 7-5, 2-6, 10-7. The fourth-seeded Americans next meet fifth seeds Lloyd Glasspool and Santiago Gonzalez, who downed Evan King and Vasil Kirkov 6-3, 6-4.