Lando Norris Leads Piastri in Sao Paulo Practice Session
Lando Norris has beaten his teammate at each of the past five grands prix.
The McLaren driver edged out fellow driver and championship contender the Australian for the quickest lap in the final moments of the practice session at the Sao Paulo Grand Prix.
Norris, who took the championship lead from Piastri by a single point after winning in the Mexican Grand Prix two weeks ago, topped the Australian by a tiny margin of 0.023secs.
Until that point, Piastri had been the leading McLaren during the running before the sprint shootout set to begin at 18:30 GMT.
The Red Bull star, the only other driver in realistic title contention, lying with a 36-point deficit behind Norris, was classified in 17th place as his team followed a different programme.
His teammate the Japanese driver was the only driver to crash, though minor, when he spun at the fourth corner during the early running.
Tsunoda lost control over the exit kerbs before rotating through the run-off area, and was lucky to avoid just a light touch of the fence.
The Ferrari of Lewis Hamilton also had a spin, at the very end of the session, spinning around through the fast downhill Mergulho corner approaching the final bend on to the start-finish straight.
The seven-time champion ended the session in 19th place, just behind teammate Charles Leclerc.
The McLaren drivers were significantly quicker of the other competitors, with Nico Hulkenberg's car in third, 0.619 seconds behind Piastri's best.
Aston Martin's Fernando Alonso was in fourth, with the Sauber of Bortoleto in front of the Mercedes of Russell and Alpine's Gasly and Williams' Sainz.