Daniel Altmaier vs Juan Manuel Cerundolo: AI Prediction | Games, Spread, Aces & Double Faults

Altmaier (rank 55) brings a solid serve profile (mean serve index 77.3) and respectable return numbers (mean return index 70.0). His form index (31.4) and Elo (1491.5) sit below Cerundolo on a couple of measures, but he arrives with no fatigue from prior matches. Cerundolo (rank 67) posts a higher form index (52.1) and a notably stronger Elo (1603.9). Surface strength indices are comparable (Altmaier 41.15, Cerundolo 42.44), so neither player has a clear clay-specific advantage on paper. The difference in mean serve index is substantial (about 20 points) and the gap in mean return index is even larger (roughly 23 points), so Cerundolo profiles as both a heavier server and more aggressive returner by these proprietary metrics. Looking at recent results, Altmaier is 1–2 across his last three clay outings: a win over Marin Cilic and defeats to Tomas Machac and Alex Molcan, including a lengthy 138-minute match in Monte Carlo. Cerundolo has been sharper in recent weeks (2–1), earning straight-set wins over Jesper de Jong and Giulio Zeppieri before a loss to Brandon Nakashima. Both players’ recent matches were on clay, and neither carries tournament fatigue into Madrid.