Martin Damm Jr. (born September 30, 2003) is an American professional tennis player. He has a career-high ATP singles ranking of world No. 90 achieved on August 31, 2026 and a doubles ranking of No. 303 achieved on November 6, 2023.
Career
2019–2021: Juniors On the junior tour, Damm has a career high junior ranking of No. 3, achieved on January 1, 2021. Martin Damm Juniors Singles Overview
In August 2019, Damm and his partner Toby Kodat won the USTA Boys 18s National Championships doubles title, earning the pair a wildcard entry into the doubles main draw of the 2019 US Open. Damm age 15 and fellow American Toby Kodat age 16 became the youngest men's doubles team to win a US Open match in the Open Era.
2022–2023: Major, Masters qualifying debuts Damm received a wildcard into the qualifying draw of the 2022 Miami Open and the 2022 US Open.
He also entered the qualifying competitions at the 2023 Miami Open, and at the 2023 US Open as a wildcard.
2024: Masters debut & first wins, top 175 In March, Damm was also awarded a main draw wildcard at the 2024 Miami Open for his Masters debut where he recorded his first ATP Tour and Masters level win over Zhizhen Zhang and 14th seed and compatriot Tommy Paul by retirement. As a result, he reached the top 175 in the rankings on 1 April 2024.
2025: Major debut and first win Ranked No. 431, Damm made his debut at the 2025 US Open, after making the main draw using a qualifying wildcard, and recorded his first major win over fellow American and wildcard Darwin Blanch.
2026: Wimbledon first win, ATP semifinal, top 100
Damm qualified for the main draw at the ATP 250 2026 Open Occitanie and upset seventh seed Hubert Hurkacz, and Roberto Bautista Agut in straight sets. He then downed Luca Nardi in the last eight to advance to his first ATP tour-level semifinal. As a result he reached a new career-high of No. 130 in the singles rankings, raising up 30 places, on 9 February 2025.
Damm reached the top 100 in the singles rankings on 3 August 2026, following qualifying for the Mubadala Washington Open.
Damm earned his first top-10 win by defeating Daniil Medvedev at the Winston-Salem Open.
Personal life Damm is the son of Czech former professional tennis player Martin Sr., who reached world No. 5 in doubles. He has two other siblings. During the COVID-19 pandemic Damm obtained Czech citizenship. He is fluent in both Czech and English. Damm is a fan of the Czech soccer club AC Sparta Prague.
Performance timeline
Singles Tournament20222023202420252026SRW–LWin%Grand Slam tournamentsAustralian OpenAAAA1R0 / 10–1French OpenAAQ1AQ10 / 00–0WimbledonAAAA2R0 / 11–1US OpenQ1Q2Q22R0 / 11–1Win–loss0–00–00–01–11–20 / 32–3ATP Masters 1000Indian Wells OpenAAAA1R0 / 10–1Miami OpenQ1Q13RQ12R0 / 23–2Monte-Carlo MastersAAAAA0 / 00–0Madrid OpenAAAA2R0 / 11–1Italian OpenAAAAQ10 / 00–0Canadian OpenAAAA1R0 / 10–1Cincinnati OpenAAAAQ10 / 00–0Shanghai MastersNHAAA0 / 00–0Paris MastersAAAA0 / 00–0Win–loss0–00–02–10–02–40 / 54–5
ATP Challenger and ITF Tour finals
Singles: 18 (7 titles, 11 runner-ups) LegendATP Challenger Tour (0–4)ITF WTT (7–7)Finals by surfaceHard (7–8)Clay (0–3)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Oeiras Indoors, PortugalChallengerHard (i) Leandro Riedi6–7(6–8), 2–6Loss0–2Columbus Challenger, USChallengerHard (i) Michael Zheng6–3, 3–6, 5–7Loss0–3Lincoln Challenger, USChallengerHard (i) Rafael Jódar7–6(7–3), 3–6, 3–6Loss0–4Charlottesville Men's Pro Challenger, USChallengerHard (i) Rafael Jódar3–6, 6–7(2–7)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1M25 Naples, USWTTClay Tomás Martín Etcheverry6–7(4–7), 5–7Loss0–2M15 Rovinj, CroatiaWTTClay Corentin Denolly6–3, 5–7, 0–6Win1–2M15 Champaign, USWTTHard Gabi Adrian Boitan6–3, 3–6, 6–2Loss1–3M25 Jablonec nad Nisou, Czech RepublicWTTClay Khumoyun Sultanov7–6(12–10), 6–7(5–7), 3–6Win2–3M25 Santo Domingo, Dominican RepublicWTTHard Dan Added6–3, 6–3Win3–3M25 Harlingen, USWTTHard Bernard Tomic6–7(4–7), 6–3, 6–4Win4–3M25 Santo Domingo, Dominican RepublicWTTHard Liam Draxl7–6(7–5), 6–4Loss4–4M25 Southaven, USWTTHard Chris Rodesch7–6(7–3), 1–6, 3–6Win5–4M25 Setúbal, PortugalWTTHard Dali Blanch7–6(7–5), 3–6, 6–3Win6–4M15 Sharm El Sheikh, EgyptWTTHard Alexandr Binda6–3, 3–6, 6–2Loss6–5M15 Sharm El Sheikh, EgyptWTTHard Federico Cinà6–7(3–7), 6–7(3–7)Loss6–6M25 Tbilisi, GeorgiaWTTHard Ryan Peniston2–6, 6–3, 1–6Loss6–7M15 Vaasa, FinlandWTTHard Millen Hurrion7–5, 4–6, 5–7Win7–7M25 Elvas, PortugalWTTHard Dan Added6–3, 6–2
Doubles: 10 (7 titles, 3 runner-ups) LegendATP Challenger Tour (1–1)ITF WTT (6–2)Finals by surfaceHard (2–1)Clay (5–2)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Knoxville Challenger, USChallengerHard (i) Mitchell Krueger Hunter Reese Tennys Sandgren7–6(7–4), 6–7(3–7), [5–10]Win1–1Sarasota Open, USChallengerClay Hynek Bartoň Garrett Johns Theodore Winegar6–2, 6–1
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0M25 Naples, USWTTClay Toby Kodat Nicolás Barrientos Cristian Rodríguez4–6, 6–4, [10–7]Loss1–1M15 Antalya, TurkeyWTTClay Tristan Boyer Peter Heller Peter Torebko5–7, 2–6Win2–1M15 Opatija, CroatiaWTTClay Alex Rybakov Alen Rogic Hadzalic Matic Špec7–6(7–4), 4–6, [10–7]Win3–1M15 Valldoreix, SpainWTTClay Alex Rybakov Francisco Cabral Gonçalo Falcão6–4, 7–6(7–4)Win4–1M15 Skopje, North MacedoniaWTTClay Robin Stanek Max Houkes Sidane Pontjodikromo6–2, 7–6(7–5)Win5–1M25 Rodez, FranceWTTHard (i) Felix Corwin Gijs Brouwer Jelle Sels3–6, 7–5, [10–7]Loss5–2M25 Prague, Czech RepublicWTTClay Alex Rybakov Stuart Parker Jakub Paul6–3, 3–6, [6–10]Win6–2M25 Sintra, PortugalWTTHard Dali Blanch Jaime Faria Henrique Rocha6–1, 6–2
Wins against top-10 players Damm has a () match record against players who were, at the time the match was played, ranked in the top 10.
Season 2026 Total Wins 1 1
#PlayerEventSurfaceScore20261. Daniil Medvedev8Winston-Salem Open, United StatesHard2R7–5, 6–392 *
References
External links