Afrigather 
Tsunoda had been well-placed to attain factors within the Monaco Grand Prix final month as he ran ninth with 20 laps to go, but within the ultimate levels of the rain-hit race, he was handed by each McLarens and continued to slide down the order.
He finally completed in fifteenth as rookie team-mate Nyck de Vries grabbed twelfth.
The Japanese racer noticeably struggled along with his brakes, voiced his complaints over workforce radio and ran off the observe at Mirabeau as he struggled to handle temperatures.
His brakes once more caught the eye in Spain final week as a result of extreme ranges of mud they have been producing when underneath heavy load.
Requested by Motorsport.com to clarify the state of affairs, Tsunoda mentioned an “effectivity” difficulty that was exaggerated in moist circumstances was long-running at AlphaTauri and had additionally blighted Alpine-bound Gasly throughout 2022.
He mentioned: “The brake points we’ve got are from in all probability final yr. It occurred extra usually in direction of Pierre somewhat than me. However this occurs to me extra [this season].
“Actually, I do not really feel any effectivity from braking. It simply would not heat up, would not really feel any effectivity so you can’t push as a lot as I need to within the rain circumstances.
“Clearly, that makes the tyres colder, it simply goes worse and worse.
“[In Monaco] I had [problems] from FP1, which additionally affected my qualifying efficiency as properly.
Yuki Tsunoda, AlphaTauri AT04
Photograph by: Mark Sutton / Motorsport Images
“It is a bit of a disgrace as a result of I’ve to do further build-up in comparison with different rivals simply to heat the brakes, which is a bit pointless.”
Tsunoda mentioned the difficulty was solely a brake materials {hardware}, somewhat than a calibration downside, that affected the vehicles independently of his specific driving type.
He as a substitute mentioned it was “extra in direction of the engineering aspect” when it got here to discovering a repair, which might allow him to maneuver away from his present extreme use of engine braking to decelerate.
Tsunoda, who ranked twelfth in Barcelona after serving a five-second penalty for forcing Zhou Guanyu off observe, reckoned the workforce had made positive aspects with the brakes throughout the double-header with Monaco.
He mentioned: “We modified slightly bit the brake method to have extra aggressive temperature and truly we needed to barely handle the brakes this time.
“Really, that was significantly better as a result of effectivity was significantly better than Monaco.
“I believe the workforce did a great job and I am fairly proud of it so we made a step.”
