After he left Belgium, he moved back into his own country to play for Caesar Beek.

He represented his country 50 times and participated in four international tournaments, including the 1989 FIFA Futsal World Championship where his team was runner-up, losing at the final to Brazil.

Despite failing to take them to any world cup, he took them to the European championship and a Grand Prix tournament in Brazil.

[citation needed] He was at the time confirmed as Philippines' coach for the upcoming inaugural 2025 FIFA Futsal Women's World Cup.

[8] However in December 23, 2024, Hermans was reportedly removed from his position for the team's performance at the 2024 ASEAN Women's Futsal Championship and was "realigned" with the men's program.