The 2016 season has been the longest in Formula One history, with the Etihad Airways Abu Dhabi Grand Prix on November 27 the 21st of the season.
Here is a look back at the previous 20 races that have set up the championship decider between Mercedes-GP teammates Nico Rosberg and Lewis Hamilton at Yas Marina Circuit.
Australia, March 20
• Nico Rosberg starts the season with a victory as the Mercedes-GP driver takes advantage of a red flag after Fernando Alonso's McLaren has a heavy crash to move to a one-stop strategy to move to the front. Lewis Hamilton recovers from a poor start to finish in second ahead of Ferrari's Sebastian Vettel. Rosberg 25 Hamilton 18
Bahrain, April 3
• Rosberg dominates in Sakhir after taking the lead at the start. Hamilton is slowed by a collision with the Williams of Valtteri Bottas at the first corner, and while he puts in a fine recovery drive he finishes behind Rosberg and the Ferrari of Kimi Raikkonen. Rosberg 50 Hamilton 33
China, April 17
• Hamilton starts at the back after a penalty for an engine change in practice and he finishes seventh despite a collision on the first lap with Felipe Nasr's Sauber. Rosberg has an untroubled run at the front to take his third successive win. Rosberg 75 Hamilton 39
Russia, May 1
• Rosberg becomes the first driver in 12 years to win the first four races in a season as he canters to another victory in Sochi. Hamilton had started 10th due to another grid penalty, but he recovers to finish second ahead of Raikkonen. Rosberg 100 Hamilton 57
Spain, May 15
• The two Mercedes drivers collide on the first lap when Rosberg looks to block Hamilton's passing move, leading to the Briton spinning and hitting his teammate. The drama opens the door for Max Verstappen, in his first race for Red Bull Racing after replacing Daniil Kvyat, to become F1's youngest winner at 18 years and 228 days. Rosberg 100 Hamilton 57
Monaco, May 29
• Hamilton picks up his first win of 2016 in the wet conditions of Monte Carlo. He takes advantage of a botched pit stop by Red Bull for Daniel Ricciardo to get to the front. Rosberg struggles in the mixed conditions and finishes a distant seventh. Rosberg 106 Hamilton 82
Canada, June 12• A fifth win in Montreal for Hamilton. Vettel is the early leader, but the Ferrari man's two-stop strategy allows Hamilton to get track position and triumph. Rosberg recovers from a slow start and a spin on the penultimate lap to finish in fifth. Rosberg 116 Hamilton 107
Europe, June 19
• Formula One's first visit to Azerbaijan and Baku sees Rosberg return to winning ways as he controls the race. A crash in qualifying leaves Hamilton down the order, but he recovers to be fifth by the chequered flag despite engine power problems. Rosberg 141 Hamilton 117
Austria, July 3
• More controversy at Mercedes as their drivers collide again. Rosberg leads going into the final lap, but he drops to fourth after coming off worse in contact with Hamilton. Hamilton wins, with Verstappen and Raikkonen joining him on the podium. Rosberg 153 Hamilton 142
Britain, July 10
• Hamilton leads throughout to pick up a fourth win on home soil at Silverstone in mixed conditions. Rosberg finishes second after a duel with Verstappen, but he is demoted to third post-race after being found by stewards to have gained illegal advice from his engineers to deal with a gearbox problem. Rosberg 168 Hamilton 167
Hungary, July 24
• The start defines the race as Hamilton leapfrogs pole-sitter Rosberg into the first corner and goes on to win and take the championship lead for the first time. Rosberg is powerless to do anything about the Briton, and he holds off Ricciardo to be runner-up. Hamilton 192 Rosberg 186
Germany, July 31
• Hamilton makes it six wins in seven races as he prevails at Hockenheim. Rosberg's hopes are dented by a penalty for not giving Verstappen enough racing room during an overtaking move, and he finishes down in fourth behind the Red Bulls of Ricciardo and Verstappen. Hamilton 217 Rosberg 198
Belgium, August 28
• Despite starting on the back row of the grid after an engine penalty, Hamilton takes advantage of a number of collisions and crashes ahead of him to finish third as Rosberg takes his sixth win of the season ahead of Ricciardo. Hamilton 232 Rosberg 223
Italy, September 4
• Hamilton drops from pole position at the start down to sixth place by the first corner, but a mix of good overtaking and an one-stop strategy gets the triple world champion back up to second, although he can do nothing to prevent Rosberg from winning again. Hamilton 250 Rosberg 248
Singapore, September 18
• Rosberg puts in one of his best performances of the season as he out-paces Hamilton on raw pace all weekend. The German holds off a late challenge from Ricciardo to take the victory and retake the championship, with Hamilton down in third. Rosberg 273 Hamilton 265
Malaysia, October 2
• Hamilton looks to have the race won as he opens up a 20-second lead, but an engine failure stops him with 15 laps to go. Ricciardo takes advantage for his first win since August 2014 as Rosberg finishes third after recovering from a collision with Vettel on the first lap. Rosberg 288 Hamilton 265
Japan, October 9
• Starts continue to play a part in the championship fight as Hamilton's race hopes are ruined by an awful getaway as he falls from second to eighth. Another afternoon of damage limitation sees him take third spot, with Rosberg victorious ahead of Verstappen. Rosberg 313 Hamilton 280
United States, October 23
• Circuit of Americas has been a happy hunting ground in the past for Hamilton and that continued as he won there for a fourth time in five years. Rosberg was second ahead of Ricciardo and Vettel. Rosberg 331 Hamilton 305
Mexico, October 30
• Hamilton is in a class of his own as he leads throughout. Rosberg struggles for pace but survives contact with Verstappen at the first corner, and pressure from the Dutchman later in the race, to take second place. Verstappen is third on the road, but loses it due to a five-second time penalty for gaining an advantage while running wide at Turn 1. Vettel inherits the place, but subsequently is given a penalty himself for moving under braking defending from Ricciardo, giving the Australian third in the end. Rosberg 349 Hamilton 330
Brazil, November 13
• Heavy rain makes conditions tough but Hamilton does not put a wheel wrong as he controls the race to win for the ninth time in 2016. Rosberg is not match for him, but finishes a distant second to keep the destiny of the title in his own hands. Verstappen puts in a sensational drive to recover from 14th to third in the closing laps. Rosberg 367 Hamilton 355
From Graham Caygill:
What you need to know: Schedule and grandstand information for Abu Dhabi GP
Jenson Button: Best five races of British driver's Formula One career
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