Despite not one, but two long-lap penalties, the 26-year-old Miller managed to beat the local rider, Johann Zarco by 3.97 seconds to the checkered flag, in a race that experienced torrential rain.

The log-leader, Fabio Quartararo, crossed the line in third.

Miller says luck was on his side to ultimately double his career wins in back-to-back races.

“When I saw the penalty, I didn't want to believe it.

“It's the old French speeding fines. I'm used to getting a few of them but normally they come in the mail.

“I was trying to do the maths in my head, and if anyone knows me and my maths, that's very difficult,"

“It was a hectic race and it's amazing, I didn't expect this.

“Back-to-back wins. I've doubled my career total of victories in two weeks, so it's pretty nice.”

The Potchefstroom-born South African, Brad Binder, finished in 13th.

RESULTS

MotoGP

1. Jack Miller (AUS/Ducati) 47 mins 25.473sec

2. Johann Zarco (FRA/Ducati-Pramac) at 3.970sec

3. Fabio Quartararo (FRA/Yamaha) 14.468

4. Francesco Bagnaia (ITA/Ducati) 16.172

5. Danilo Petrucci (ITA/KTM) 21.430

6. Alex Marquez (ESP/Honda-LCR) 23.509

7. Takaaki Nakagami (JPN/Honda-LCR) 30.164

8. Pol Espargaro (ESP/Honda) 35.221

9. Iker Lecuona (ESP/KTM) 40.432

10. Maverick Vinales (ESP/Yamaha) 40.577

11. Valentino Rossi (ITA/Yamaha-SRT) 42.198

World championship standings (after five rounds):

1. Fabio Quartararo (FRA/Yamaha) 80 points

2. Francesco Bagnaia (ITA/Ducati) 79

3. Johann Zarco (FRA/Ducati-Pramac) 68

4. Jack Miller (AUS/Ducati) 64

5. Maverick Vinales (ESP/Yamaha) 56

6. Joan Mir (ESP/Suzuki) 49

7. Aleix Espargaro (ESP/Aprilia) 35

8. Franco Morbidelli (ITA/Yamaha-SRT) 33

9. Takaaki Nakagami (JPN/Honda-LCR) 28

10. Pol Espargaro (ESP/Honda) 25

@MorganPiek OFM Sport