Arturo Coello is from Mojados (Valladolid), where he was born on 8 March 2002. He started playing padel at 9, after trying football. In 2022 he won his first professional title in Miami, playing with Fernando Belasteguín. In 2023 he teamed up with Agustín Tapia, and in May that year, after winning the Vigo Open, he became the youngest player ever to reach number 1, aged 21. He finished the season at the top of the rankings in 2023, 2024 and 2025. He stands 1.90 m tall and plays on the right side. He is sponsored by Head and in 2026 competes with the Coello Pro, a diamond-shaped racket with a Power Foam core and Auxetic 2.0 technology.