Jesper de Jong vs Joao Fonseca: AI Prediction | Games, Spread, Aces & Double Faults

The model’s edge for Fonseca comes mainly from recent form and overall strength — Fonseca carries a slightly higher form index (67.17 vs 63.45) and a notably stronger Elo (1847 vs 1703), both nudging the prediction toward him. Age and surface fit also contribute; Fonseca’s surface strength index is 20.34 compared with de Jong’s 11.34, a useful advantage on fast grass. Both players show identical cumulative fatigue from the tournament (174 minutes), so freshness shouldn't be a differentiator. Ranking and stylistic metrics underline the gap: Fonseca is ranked 27 to de Jong’s 73, and the model credits overall record and opposition quality as further support for Fonseca. Serve profiles are comparable — mean serve indexes are nearly identical — but de Jong holds a clear edge in returning (mean return 92.99 vs Fonseca’s 87.59), a difference greater than five points that could make him dangerous on return games. Recent form: de Jong reached this round after a five-set win over Rinky Hijikata and has mixed results on clay against top opponents; Fonseca arrives off a straight-sets Wimbledon win over Roberto Bautista Agut but had two earlier losses (Halle and Roland Garros), making his recent sequence uneven but effective on grass.