He's now just 2.7s behind Leclerc in the race for fourth.
He's told there's a chance of "class one rain" on the last lap - so a bit of drizzle.
The current top 10: Piastri, Norris, Russell, Leclerc, Verstappen, Hamilton, Ocon, Antonelli, Albon and Bearman.
Having made a second pit stop, Hamilton is comfortably the quickest driver on track. The bad news is that he has to make up a 16.9s gap to Verstappen.
Piastri is running 2.4s ahead of Norris at the front.
Russell, Leclerc, Verstappen, Hamilton, Ocon, Antonelli, Albon and Gasly is the current top 10.
Hamilton has converted to a two-stop strategy - a brand new set of hard tyres.
Piastri is running 2.8s ahead of Norris. Russell is 5.1s off the second McLaren in P3.
Leclerc, Hamilton, Verstappen and Ocon complete the top seven.
He's told there's a small chance of rain at the end of the race. The final three laps.
"We are thinking Plan C, other teams as well," Leclerc is told over team radio.
One-stop strategy looks to be the way to go.
There's only one battle on track currently with Bearman in DRS range of Doohan.
He does the switchback on Doohan on the exit of the hairpin to get through.
Piastri's lead has been cut down to 2.5s.
Piastri, Norris, Russell, Leclerc, Hamilton, Verstappen, Stroll, Tsunoda, Ocon and Antonelli.
The gap between the top two is now down to 3.4s.
Piastri is running 4.1s ahead of Norris. Just behind them is Russell and Leclerc.
0.9s between those two now Leclerc has been unleashed. Dirty air is a big problem in China - so will he be able to make a move?
Piastri, Norris, Russell, Leclerc, Hamilton, Verstappen, Stroll, Bearman, Tsunoda and Ocon.
Hamilton lets Leclerc through into Turn 1.
Ferrari want to swap their cars into Turn 14 - with Leclerc going ahead of Hamilton.
Piastri, Norris, Albon, Russell, Hamilton, Leclerc, Stroll, Verstappen, Bearman and Tsunoda.
Norris breezes past Russell into Turn 1 for third-place. The Ferraris are also battling for sixth. Leclerc looks quicker despite having damage.
Albon, Piastri, Russell, Norris, Stroll, Sainz, Hamilton, Leclerc, Bearman and Verstappen.
Norris comes in now but he's been undercut by Russell for second-place. This gives Piastri a comfortable lead.
Piastri comes into the pit lane as does Russell. They are doing this to cover off Hamilton's pit stop.
Hamilton and Verstappen come in at the end of Lap 13 for new hard tyres.
Gasly has forced some of the other midfield runners to come into the pit lane. Antonelli and Hadjar are also in now.