Who is Denis Shapovalov?

Shapovalov is a 26-year-old Canadian tennis player currently ranked World No. 23.

What is the key factor that could decide the Shapovalov vs Fonseca quarterfinal match?

Shapovalov's greater experience and powerful serve are expected to give him the edge over the young Fonseca in their first-ever ATP Tour encounter.

Home / Sports / Teenage Sensation Fonseca Faces Experienced Shapovalov in Swiss Indoors Quarterfinal

Teenage Sensation Fonseca Faces Experienced Shapovalov in Swiss Indoors Quarterfinal

Q: How has Fonseca been performing this year?

The 19-year-old Brazilian Fonseca has been making an unexpected run at the Swiss Indoors, having played and won challenger events as well as an ATP 250 tournament earlier in 2025.

24 Oct

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Summary

Shapovalov, World No. 23, reaches Swiss Indoors quarterfinal
Fonseca, World No. 46, makes unexpected run to quarterfinal
Shapovalov's experience and serve give him edge over young Fonseca

Teenage Sensation Fonseca Faces Experienced Shapovalov in Swiss Indoors Quarterfinal

As of October 24th, 2025, World No. 23 Denis Shapovalov has arrived in Switzerland for the Swiss Indoors tournament, carrying renewed momentum after reaching the semifinal of the ATP 250 event in Stockholm last month. The 26-year-old Canadian has had a mixed season so far, with some deep runs and early exits.

Shapovalov's quarterfinal opponent is the unexpected 19-year-old Brazilian, Fonseca, who is ranked World No. 46. Fonseca has been making a surprise run at the Swiss Indoors, having played and won challenger events as well as an ATP 250 tournament earlier this year. However, he has not reached the last eight stages of any major event in 2025 until now.

Despite Fonseca's impressive form, Shapovalov's greater experience and potent serve are expected to give him the edge in this matchup. The Canadian's stronger record at tour-level events should prove crucial as he looks to advance to the semifinals in Basel.