Dani began playing tennis at age 12 at the Madrid Tennis Federation in Spain. He made his debut for Spain in 2008. Over the years, Dani has faced several injuries. In 2006, he had surgery on his left knee and was sidelined for eight months. In mid-2008, he broke his left arm while skiing and was out of action for five months.

In 2014 and 2015, Dani suffered from tendinitis in his wrists, leading to a stress fracture in his hand. In 2016, he sustained a 15-centimetre tear in his quadriceps. The following year, he injured the C5 vertebra in his spinal cord, forcing him to stop training for three months.

In 2021, Dani sustained a left wrist injury but still competed at the 2020 Paralympic Games in Tokyo. However, pain forced him to take a break from the sport in June 2022. After undergoing three surgeries, he returned to competition in October 2023.

Coaching and Playing Style

Dani trains at the Emilio Sanchez Academy in Spain under national coach Mico Margets and personal coach Alex Gaspa. He plays left-handed and is known for his strategic approach on the court. His dedication to the sport is evident through his rigorous training and commitment to improving his game.

Ambitions and Achievements

Dani aims to win a medal at the 2024 Paralympic Games in Paris and aspires to win a Grand Slam event. Additionally, he plans to create a professional international circuit for wheelchair tennis. His most memorable moment is returning to competition after serious wrist injuries.

Influences and Personal Philosophy

Dani draws inspiration from Spanish tennis player Rafael Nadal and British entrepreneur Richard Branson. His father and mentor David Sanz have also played a significant role in shaping his career. Dani's personal philosophy is: "It might take me longer, but I'll make it further."

Rituals and Other Activities

Dani follows specific rituals before matches including meditation, positioning bottles in a certain way, breathing techniques, and writing tactics plans in his diary during matches. He keeps his diary with him at all times on the court.

Apart from playing tennis, Dani serves as the head of the wheelchair tennis commission of the Spanish Tennis Federation. He launched his platform 'Vale la pierna' [It is worth a leg] in 2023 to give more exposure to Para sports and impairment education. The platform also acts as a representation agency for Para athletes.

Dani's journey is marked by resilience and determination. Despite numerous injuries and setbacks, he continues to strive for excellence both on and off the court. His contributions to wheelchair tennis and Para sports are commendable.