six, Barrichello moved to third position after Michael Schumacher was instructed to let Barrichello past so that his teammate could overtake the McLaren and still switch places if required. On the same lap, Zonta went into the rear of Verstappen's car, causing Zonta to lose his front wing. Verstappen fell behind Panis after the collision. Zonta made a pit stop for repairs, but retired after driving one exploratory lap due to major damage. Verstappen made his pit stop and rejoined at the back of the field. Alesi passed Burti for 15th on lap nine, and Panis overtook teammate Villeneuve for tenth the following lap. On the tenth lap, Panis unsuccessfully attempted to overtake Trulli for ninth on the inside. Panis unsuccessfully again tried to pass Trulli on the outside during the following lap due to a lack of straight line speed. During the twelfth lap, Panis passed Trulli on the outside at the Clark chicane by braking later than Trulli in his third attempt. Trulli slipstreamed Panis before spinning at the Ostkurve corner trying to reclaim ninth. He fell to 17th. Häkkinen retired from the Grand Prix with fluid leaking from his left-hand sidepod onto the circuit on lap 15. His retirement promoted Räikkonen to sixth. By lap 15, Montoya led Ralf Schumacher by 8.3 seconds, who in turn was 3.3 seconds in front ahead of Barrichello, as Ralf Schumacher wad dealing with a brake problem. Michael Schumacher was a further 9.2 seconds behind his Ferrari teammate, but was drawing ahead of Coulthard in fifth. Barrichello and Panis was the first of the leaders to make a scheduled pit stop on lap 17 and returned to the circut in fifth, behind Coulthard. The Ferrari and Williams teams were employing different pit stop strategies – the Ferrari were planning a two stop strategy for Barrichello and one for Michael Schumacher whereas the Williams team were only planning for one stop for both their drivers. Räikkonen slowed on track with an driveshaft failure but returned to the pit lane to retire that same lap, while Irvine retired with fuel pressure problems. Two laps later, Burti lost tenth after spinning and Trulli and Panis passed him. Barrichello unsuccessfully attempted to pass Coulthard for fourth on lap 19. Montoya continued to pull away from Ralf Schumacher—setting the race's fastest lap of 1:41.808 on lap 20—to maintain the lead after his sole pit stop. Barrichello