The 1999–2000 CBA season was the fifth CBA season.

The season ran from November 21, 1999, to March 19, 2000. Nanjing Army Thunder and Hubei Mailyard were promoted from the Second Division. Vanguard from the Second Division was merged with Beijing Olympians and the club was known as Vanguard Beijing Olympians for the next several seasons.

Regular season standings # 1999–2000 CBA season Team 1Bayi Rockets 21 1 .955 – 11–0 10–1 2Guangdong Southern Tigers 15 7 .682 6 10–1 5–6 3Shanghai Sharks 14 8 .636 7 8–3 6–5 4Shandong Flaming Bulls 13 9 .591 8 9–2 4–7SD 1–1 (169–161) BJ5Beijing Ducks 13 9 .591 8 10–1 3–8 6Vanguard Beijing Olympians 12 10 .545 9 9–2 3–8 VB 3–1LN 2–2JS 1–37Liaoning Hunters 12 10 .545 9 6–5 6–58Jiangsu Dragons 12 10 .545 9 7–4 5–6 9Jilin Northeast Tigers 10 12 .455 11 8–3 2–9 10Zhejiang Cyclones 8 14 .364 13 6–5 2–9 11Nanjing Army Thunder 1 21 .091 20 1–10 0–11 NA 1–1 (197–185) HB12Hubei Mailyard 1 21 .091 20 1–10 0–11 + Key to colors     Top 8 teams advance to the Playoffs     Bottom 4 teams advance to the Relegation Round

Playoffs

The top 8 teams in the regular season advanced to the playoffs.

In the Final series, Bayi Rockets defeated Shanghai Sharks (3-0), and claimed its 5th straight CBA championship.

Teams in bold advanced to the next round. The numbers to the left of each team indicate the team's seeding in regular season, and the numbers to the right indicate the number of games the team won in that round. Home court advantage belongs to the team with the better regular season record; teams enjoying the home advantage are shown in italics.

Relegations The bottom 4 teams played the relegation round by round-robin.

Nanjing Army Thunder and Hubei Mailyard were relegated to the Second Division.

TeamWLPFPAPDZhejiang Cyclones51665596+69Jilin Northeast Tigers42656602+54Hubei Mailyard24563620−57Nanjing Army Thunder15546612−66 + Key to colors     Bottom 2 teams relegated to the Second Division

 HBJLNAZJ Hubei Mailyard–97-8674-7096-101 Jilin Northeast Tigers136-108–114-93117-114 Nanjing Army Thunder107-8194-109–97-114 Zhejiang Cyclones120-10796-94120-85–

See also Chinese Basketball Association

References