Mac Kiger (born December 19, 1998) is an American professional tennis player who specializes in doubles. He has a career-high ATP doubles ranking of No. 75 achieved on July 27, 2026 and a singles ranking of No. 918 in February 27, 2023.

Kiger plays mostly on ATP Challenger Tour, where he won five doubles titles.

Kiger played college tennis at North Carolina.

ATP Challenger and ITF Tour finals

Doubles: 23 (14 titles, 9 runner-ups)

Legend
Legend ATP Challenger Tour (8–6) ITF Futures/WTT (6–3)Finals by surface Hard (11–6) Clay (3–2) Grass (0–1)
ATP Challenger Tour (8–6)
ITF Futures/WTT (6–3)
Finals by surface
Hard (11–6)
Clay (3–2)
Grass (0–1)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScore
Loss0–1Nov 2023Knoxville Challenger, USChallengerHard (i)United States Mitchell KruegerUnited States Cannon Kingsley Venezuela Luis David Martínez6–7(3–7), 3–6
Win1–1Jul 2024Championnats de Granby, CanadaChallengerHardEcuador Andrés AndradeCanada Justin Boulais Canada Joshua Lapadat3–6, 6–3, [10–2]
Loss1–2Jul 2024Chicago Men's Challenger, USChallengerHardCanada Benjamin SigouinAustralia Luke Saville Australia Li Tu4–6, 6–3, [3–10]
Loss1–3Apr 2025Savannah Challenger, USChallengerClayUnited States Patrick MaloneyVenezuela Luis David Martínez Argentina Federico Agustín Gómez6–3, 3–6, [5–10]
Win2–3Aug 2025Chicago Men's Challenger, USChallengerHardUnited States Ryan SeggermanUnited States Theodore Winegar United States Michael Zheng6–4, 3–6, [10–5]
Win3–3Sep 2025Saint-Tropez Open, FranceChallengerHardUnited States Trey HilderbrandFinland Patrik Niklas-Salminen Czech Republic Matěj Vocel7–6(7–5), 7–5
Win4–3Oct 2025Sioux Falls Challenger, USChallengerHard (i)Australia Rinky HijikataUnited States Andrew Fenty Venezuela Juan José Bianchi6–4, 6–4
Loss4–4Oct 2025Charlottesville Men's Pro Challenger, USChallengerHard (i)Canada Justin BoulaisGermany Tim Rühl Germany Patrick Zahraj6–3, 5–7, [10–12]
Win5–4Nov 2025Challenger de Drummondville, CanadaChallengerHard (i)United States Trey HilderbrandUnited States Karl Poling Mexico Alan Magadán6–3, 6–4
Win6–4Jan 2026Canberra Tennis International, AustraliaChallengerHardUnited States Reese StalderAustralia Blake Bayldon Australia Patrick Harper7–6(7–3), 6–3
Win7–4Jan 2026San Diego Open, United StatesChallengerHardUnited States Trey HilderbrandUnited States Garrett Johns United States Karl Poling6–3, 6–4
Loss7–5Mar 2026Asunción, ParaguayChallengerClayUnited States Reese StalderArgentina Mariano Kestelboim Brazil Marcelo Zormann4–6, 5–7
Win8–5Apr 2026Gwangju Open, South KoreaChallengerHardUnited States Reese StalderIndia Anirudh Chandrasekar Japan Takeru Yuzuki6–4, 6–7(7–9), [10–8]
Loss8–6Jun 2026Nottingham, United KingdomChallengerGrassUnited States Reese StalderBrazil Fernando Romboli United States Theodore Winegar3–6, 4–6
ResultW–LDateTournamentTierSurfacePartnerOpponentsScore
Loss0–1Jul 2022M15 Waco, USWTTHardCanada Benjamin SigouinUnited States George Goldhoff United States Tyler Zink6–4, 5–7, [7–10]
Loss0–2Jan 2023M15 Ithaca, USWTTHardCanada Benjamin SigouinUnited States Nick Chappell United States Nathan Ponwith2–6, 4–6
Win1–2Jan 2023M15 Edmond, USWTTHardCanada Benjamin SigouinUnited States Collin Altamirano Romania Gabi Adrian Boitan7–6(9–7), 6–4
Win2–2Feb 2023M15 Palm Coast, USWTTClayUnited States George GoldhoffArgentina Ignacio Monzón Argentina Francisco Comesaña6–3, 6–4
Win3–2Apr 2023M25 Sanxenxo, SpainWTTHardUnited States George GoldhoffSpain John Echeverría Spain Ricardo Villacorta6–4, 4–6, [10–7]
Win4–2May 2023M15 Kalmar, SwedenWTTClayUnited States George GoldhoffNetherlands Stijn Pel Netherlands Niels Visker2–6, 7–6(7–4), [10–6]
Loss4–3Jun 2023M25 Tulsa, USWTTHardCanada Benjamin SigouinUnited States Ozan Baris United States Garrett Johns2–6, 5–7
Win5–3Jul 2023M25 Edwardsville, USWTTHardUnited States George GoldhoffUnited States Kareem Al Allaf United States Colin Markes6–2, 6–1
Win6–3Feb 2024M25 Naples, USWTTClayCanada Benjamin SigouinUnited States Hunter Heck Japan Kenta Miyoshi6–2, 6–7(7–9), [10–6]

External links