[2] A year later, he won the silver medal in the men's 73 kg event at the Roma 2020 World Cup in Rome, Italy.

[1] In 2021, he won the silver medal in the men's 73 kg event at the European Weightlifting Championships held in Moscow, Russia.

[5][6] He suffered a back injury in training shortly before the competition, which hampered his performance in the Clean & Jerk.

[7] He won the bronze medal in the men's 81 kg event at the 2021 World Weightlifting Championships held in Tashkent, Uzbekistan.

In August 2024, Robu competed in the men's 89 kg event at the 2024 Summer Olympics held in Paris, France.