Kimi Antonelli has been compared to Italian compatriot Jannik Sinner amid the duo’s dominance of Formula 1 and tennis over the past few months. Mercedes’ 19-year-old driver Antonelli extended his F1 world championship lead to 20 points after victory at the Miami Grand Prix on Sunday, his third consecutive win. On the same day, world No 1 tennis player Sinner cruised to the Madrid Open title – his fifth-straight Masters 1000 crown. In addition, Sunday’s victories maintain an intriguing 2026 record: all of Antonelli’s wins this season have come on the same day Sinner has triumphed in Masters 1000 events: Chinese GP and Indian Wells, Japan GP and Miami and now Miami GP and Madrid. Yet Mercedes boss Toto Wolff , who promoted Antonelli from his junior programme to replace Lewis Hamilton last season, is eager to keep his protege “grounded” amid a newfound focus on him from the Italian public.…