Sofia Costoulas vs Julia Avdeeva Head-to-Head Stats, Results & Performance Comparison

• How does Julia Avdeeva’s second serve compare to Sofia Costoulas’s? Julia has a slightly lower percentage, winning 40.05% of points, compared to Sofia’s 40.47%.
• On return games, Sofia Costoulas shows a marginal edge, winning 49.32% of opponents' second serve points versus Julia Avdeeva’s 48.48%.
• When it comes to first serve returns, Sofia again leads with 31.45%, while Julia stands at 30.43%.
• Under pressure, specifically in saving breakpoints, Julia Avdeeva has a slight advantage, saving 49.59% compared to Sofia's 47.37%.
• Sofia Costoulas has a higher match win percentage over the past year, securing victory in 68.97% of her matches, while Julia Avdeeva has won 55.10%.
• In terms of surface specialization, Julia excels on Clay with a 61% win rate, while Sofia's best is on Hard at the same percentage.
• Within Challengers/ITF tournaments > $10K level, Sofia has outperformed Julia, capturing 70.37% to Julia's 55.10%.
• Their direct head-to-head history slightly favors Sofia Costoulas with one win against Julia’s zero, and a 2-1 set advantage.
• What is the quality of competition each player has faced in the last year? Sofia’s opponents on average rank higher (335.06) than those Julia has faced (396.33).
• In deciding sets, Sofia has shown a stronger performance, with a 74% win rate compared to Julia’s 54%.

Editorial Prediction (October 30, 2025, UTC):

As we weigh the strengths and weaknesses of Julia Avdeeva and Sofia Costoulas, we observe a tightly contested scenario. Sofia's edge in returning serves and slightly better second serve effectiveness highlight her robust baseline game.

Though Julia Avdeeva shows resilience in saving breakpoints, her overall match win rate pales in comparison to Sofia's. Furthermore, Sofia’s ability to close out deciding sets is a strong indicator of her mental fortitude during critical moments.

While surfaces do play a role, both players are evenly matched on their optimal surfaces, making it less of a deciding factor here. However, Sofia’s higher frequency of victories against higher-ranked opponents does suggest a certain adaptability to various playing styles.

In conclusion, given the overall stats and recent performance trends, Sofia Costoulas appears to have the slight edge, making her the more probable winner of the upcoming match.