Head-to-Head
Overview
Tomas Machac and D. Altmaier have met 2 times since 2025. Tomas Machac leads 2–0. Their first encounter was at the 2025 Acapulco (R16), won by Tomas Machac. Most recently they met at the 2026 Monte Carlo (R64), with Tomas Machac winning. Tomas Machac has won the last 2 meetings.
By surface
- clay1 – 0
- hard1 – 0