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34World rank
ATP

Alex Michelsen

United States
29–21
2026 record
1,410
Ranking points
Kristof Vliegen
Coach · since ~2025

Recent form (8)

Llost to Arthur Fils4-6 6-7(12)at Brussels · QF · HardOctober 23, 2026Details ↗
Wdef. David Goffin6-3 6-4at Brussels · R16 · HardOctober 22, 2026Details ↗
Wdef. Andrea Guerrieri6-1 6-2at Brussels · R32 · HardOctober 19, 2026Details ↗
Llost to Botic van de Zandschulp4-6 4-6at Shanghai · R64 · HardOctober 10, 2026Details ↗
Llost to Carlos Alcaraz6-7(1) 6-4 1-6at Tokyo · R32 · HardOctober 1, 2026Details ↗
Llost to Frances Tiafoe7-5 6-3 5-7 3-6 6-7(6)at US Open · QF · HardSeptember 8, 2026Details ↗
Wdef. Tomás Martín Etcheverry7-6(6) 6-4 6-4at US Open · R16 · HardSeptember 6, 2026Details ↗
Wdef. Daniel Mérida7-6(5) 6-4 6-3at US Open · R32 · HardSeptember 4, 2026Details ↗

Head-to-head — last 12 months

Taylor Fritz1–21–2 hardL · R64 · Cincinnati 2026Daniel Mérida2–12–1 hardW · R32 · US Open 2026Daniil Medvedev0–20–2 hardL · R16 · Indian Wells 2026Learner Tien1–11–0 hard · 0–1 clayL · QF · Geneva 2026Jan-Lennard Struff2–01–0 hard · 1–0 clayW · R128 · Montreal 2026

Injury

✓ No active injury
History (1)
~March 2025 → March 18, 2025Illness · healthdesertsun.com ↗+1

Coaching

Kristof Vliegen · coach
since ~2025 · 3 sources · per Tennis.com · tennis.com
History (2)
~August 2025 → ~October 2025Craig BoyntonWikipedia
~September 2024 → ~2025Robby GinepriWikipedia