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Those three titles helped De La Rosa finish 2021 as the IRT's No. 1 player.

In 2022, De La Rosa won twice on the IRT, and that helped him finish No. 1 at season's end for a second consecutive year.

In 2023, De La Rosa decided to switch from playing internationally for Mexico to the USA. So, he played the USA Racquetball national championships for the first time. At the 2023 USA Racquetball National Doubles Championships, De La Rosa and Alejandro Landa won Men's Doubles. They defeated Jake Bredenbeck and Sam Bredenbeck, 12–10, 6–11, 11–7, 10–12, 11–2, in the semi-finals, and then Wayne Antone and Adam Manilla, 15-13, 11-5, 11-8, in the final. In mixed doubles, he and Holly Scott reached the final with a win over Landa and Michelle Key, 14-12, 11-3, 11-9, but then lost to Adam Manilla and Erika Manilla, 11-6, 11-8, 10-12, 11-9.

De La Rosa won the 2023 USA Racquetball National Singles Championship, defeating Adam Manilla in the final, 3-11, 11-9, 11-8, 9-11, 11-6, and Alejandro Landa, 11–9, 11–9, 11–3, in the semi-finals. The win qualified him to play for the USA at the 2023 Pan American Games.

Thus, De La Rosa made his Team USA debut at the 2023 Pan American Games in Santiago, Chile, where he played singles, doubles and in the team event. In Men's Singles, he lost to Mexican Eduardo Portillo, 10-12, 13-11, 12-10, 9-11, 14-12, in the quarterfinals. He played Men's Doubles with Alejandro Landa, and they lost to Canadians Coby Iwaasa and Samuel Murray, 4-11, 8-11, 11-8, 11-8, 11-4, in the quarterfinals. But in the Men's Team event, the USA defeated Ecuador in the quarterfinals, and then lost to Bolivia in the semi-finals, with De La Rosa and Landa winning the doubles match against Kadim Carrasco and Conrrado Moscoso, 11-5, 10-12, 12-10, 11-13, 11-4, but Moscoso defeated De La Rosa, 11-5, 11-8, 9-11, 8-11, 11-6, in the deciding singles match.

In 2023, De La Rosa won three times on the IRT, and that helped him finish No. 1 at season's end for the third year running.