Winnipeg Challenger 2019ChallengerCourt speedLost R32R3210 JulPeter PolanskyP. PolanskyPeter PolanskySets won: 2Set 1: 6Set 2: 6Jack Mingjie LinJ. Mingjie LinJack Mingjie LinSets won: 0Set 1: 4Set 2: 3R648 JulJack Mingjie LinJ. Mingjie LinJack Mingjie LinSets won: 2Set 1: 6Set 2: 6Chaz DohertyC. DohertyChaz DohertySets won: 0Set 1: 1Set 2: 1
Rochester 2019ITF M15Court speedLost R32R3226 JunDrew BairdD. BairdDrew BairdSets won: 2Set 1: 6Set 2: 6Jack Mingjie LinJ. Mingjie LinJack Mingjie LinSets won: 0Set 1: 3Set 2: 1Q325 JunJack Mingjie LinJ. Mingjie LinJack Mingjie LinSets won: 2Set 1: 6Set 2: 6Alexander CozbinovA. CozbinovAlexander CozbinovSets won: 0Set 1: 4Set 2: 4Q124 JunJack Mingjie LinJ. Mingjie LinJack Mingjie LinSets won: 2Set 1: 6Set 2: 6Varun LuthraV. LuthraVarun LuthraSets won: 0Set 1: 0Set 2: 0
New York 2019ATP 250104.9FastLost R32R3212 FebBrayden SchnurB. SchnurBrayden SchnurSets won: 2Set 1: 6Set 2: 6Jack Mingjie LinJ. Mingjie LinJack Mingjie LinSets won: 0Set 1: 1Set 2: 3
