Zhizhen Zhang vs Roberto Carballes Baena: AI Prediction | Games, Spread, Aces & Double Faults

Rankings and ratings show a clear gap: Zhang sits at No. 365 with an Elo of ~95, while Carballes Baena is No. 175 with an Elo near 428. Carballes’ form index (50.20) is substantially higher than Zhang’s (9.87), and Zhang arrives with no accumulated minutes on court in this tournament compared with Carballes’ 153 minutes of fatigue. Surface strength indices are both low for these players (Zhang 0.14, Carballes 5.20), indicating neither is a surface specialist on hard courts according to the provided metric. Serve and return profiles diverge sharply. Carballes posts a mean serve index of 97.00 versus Zhang’s 79.55 — a difference greater than 5 points that favors Carballes’ serving. On return, the gap is even larger: Carballes 92.97 to Zhang 13.06, a substantial advantage for Carballes as a returner. Recent form underlines this: Zhang has lost her last three matches on hard courts (including a 0-3 loss to Francisco Cerundolo at the Australian Open), while Carballes has two straight wins in Doha and a long three-set loss in Rotterdam three matches ago.