Shanghai Rolex Masters (Shanghai) – The eighth ATP World Tour Masters 1000 tournament of the season features a star-studded field, which includes the entire Top 20 in the Emirates ATP Race to London. This is the seventh year of the ATP Masters 1000 tournament at the Qizhong Tennis Center, which was the site of the Tennis Masters Cup from 2005-08. Reigning champion Roger Federer, World No. 1 and 2012-13 winner Novak Djokovic and 2010-11 titleholder Andy Murray are the former champions. A historic occasion will take place with the trio of Federer (17), Rafael Nadal (14) and Djokovic (10) playing together for the first time as Grand Slam champions with more than 10 titles. No other trio to have won 10 or more Grand Slam titles in the history of men’s tennis have ever played in a tournament together.

Emirates ATP Race to London – There are valuable Emirates ATP Race to London points at stake and players will add to their total for each round reached. Players with a bye and lose in opening match (2R) will receive 10 pts. Here is the breakdown: first round (10), second round (45), third round (90), quarter-finals (180), semi-finals (360), final (600), winner (1000). Here is the updated Top 25 Emirates ATP Race to London going into play Saturday in Beijing and Tokyo:

Big Four Dominance – The ‘Big Four’ of Djokovic, Federer, Murray and Nadal have won 46 of the last 50 ATP Masters 1000 tournaments, which dates back to Nadal’s triumph at Monte-Carlo in 2010. The only other players to emerge with an ATP Masters 1000 title are Robin Soderling (2010 Paris), David Ferrer (2011 Paris), Stan Wawrinka (2014 Monte-Carlo) and Jo-Wilfried Tsonga (2014 Toronto).

World No. 1/Top Seed – World No. 1 Novak Djokovic is making his sixth Shanghai appearance in seven years (except 2011) and he comes in with a 19-3 career record. This is the third straight year he is the top seed. The 2012-13 champion had his 13-match winning streak in Shanghai snapped with his SF loss to Federer last year. Going into the Beijing semi-finals, Djokovic has compiled a 66-5 match record (43-4 on hard) on the season with seven titles: Australian Open, ATP Masters 1000 Indian Wells, Miami, Monte-Carlo, Rome, Wimbledon and US Open where he captured his 10^th career Grand Slam title. On Monday, it marks the 168^th week overall he has ranked No. 1 in the Emirates ATP Rankings, which is sixth-most. He will surpass No. 5 John McEnroe’s total of 170 on Nov. 2. He will finish No. 1 in the Emirates ATP Rankings for the 4th time in 5 years (except 2013).

Novak Dominates in China – Djokovic comes into Shanghai having won 31 of his last 32 matches in China (going into Beijing SF), winning consecutive titles in Beijing and Shanghai in 2012-13 and Beijing last year. His 28-match winning streak in China ended last year when he lost to Federer in the semi-finals in Shanghai. Overall, he has won eight career titles in China (five in Beijing, three in Shanghai). He has never lost in the Beijing Open (27-0, entering SF) and is 19-3 at the Shanghai ROLEX Masters (since 2009). He also went 4-4 at the Tennis Masters Cup in Shanghai in 2007-08, winning the title in 2008. The only country in which he’s won more titles is the U.S. (11). He has never lost in a final in China (8-0).