Chengdu Open - Chengdu
Chengdu
Hangzhou Open - Hangzhou
Hangzhou
Laver Cup - Berlin
Berlin
Korea Open - Seoul
Seoul
Thailand Open - Hua Hin
Hua Hin
Bad Waltersdorf Challenger
Bad Waltersdorf Challenger
St. Tropez Challenger
St. Tropez Challenger
Cali Challenger
Cali Challenger
Columbus Challenger
Columbus Challenger
Sibiu Challenger
Sibiu Challenger

Haerteis - Biel Challenger

Johannes Haerteis
Rank 899
High 300

2Played0 - 2win/loss

Q12
(2022, 2023)
Rank 899
High 300 23 Nov 20
2023Q1
Forti4-6 6-4 7-5
2022Q1
Pervolarakis6-3 6-2

2023 - Biel Challenger

I.hard

2022 - Biel Challenger

I.hard
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