Joao Fonseca is amassing one milestone after one other! The 18-year-old scored two victories on the Miami Open and reached the third spherical. The Brazilian took down Learnen Tien and Ugo Humbert for notable age achievements at 18 years and 7 months.
Fonseca grew to become the youngest participant within the third spherical in Miami since Juan Martin del Potro in 2007! The upcoming star can be the youngest participant in a Masters 1000 third spherical since Carlos Alcaraz in Paris 4 years in the past!
Born for the most important phases
Joao Fonseca turns into the youngest man to succeed in an ATP Masters 1000 third spherical since Carlos Alcaraz, 18, at Paris 2021! @MiamiOpen | #MiamiOpen pic.twitter.com/jHG94Mhbwn
— ATP Tour (@atptour) March 22, 2025
The younger Brazilian performed certainly one of his greatest matches on the ATP Tour in opposition to Humbert. Joao scored a 6-4, 6-3 victory in an hour and 11 minutes to rearrange the third-round conflict with Alex de Minaur. Fonseca dropped 4 factors behind the preliminary shot.
He stored the stress on the opposite facet and clinched 60% of the rival’s second serve factors. Humbert performed in opposition to 5 break factors and gave serve away thrice to propel a teen by. Carried by the Brazilian crowd, Joao collected 21 factors greater than his rival.
The younger gun landed 16 winners and 11 unforced errors. He constructed a 17-14 buffer in service winner and outplayed his rival 35-19 from the baseline. Making a robust begin is at all times vital, and Fonseca did that in opposition to Humbert!
The Brazilian hit a volley winner within the first sport of the duel for a break at love. A youngster held at love for a 2-0 benefit and offered two tremendous holds for 4-2. Joao held at love in sport eight for 5-3 and served for the opener at 5-4.
Fonseca held with a service winner for 6-4 in quick 33 minutes. Carried by this increase, the younger gun misplaced one level on serve within the second set. Ugo couldn’t comply with that tempo and carry out a comeback. The Brazilian hit a forehand winner within the fourth sport and stepped in on the return within the subsequent one.

He created a break level and transformed it with a forehand down the road winner for a set and a break benefit. Joao held at love in sport six to cement the lead and repeated that in sport eight for 5-3. Humbert served to remain within the match in sport 9.
A youngster made a push and landed a forehand winner for 3 match factors. He seized the final with a deep return and the rival’s mistake, turning into the youngest participant within the Miami Open third spherical in 18 years.