Tszyu was originally set to face undisputed champion Jermell Charlo in January, but an injury forced the American to withdraw.

Now the Australian will face Harrison who has already beaten Charlo in 2018 to claim the WBC light middleweight title and he will now be looking to mount another world title push with a victory over Tszyu. 

Here's everything you need to know about Tszyu vs. Harrison. 

When is Tszyu vs. Harrison? Date, start time

• Date: Saturday, March 11
• Start time: 10:45 p.m. ET / 3:45 a.m. GMT
• Main event ringwalks (approx): 1:45 a.m. ET / 6:45 a.m. GMT 

The main card is set to get underway at 10:45 p.m. ET / 3:45 a.m. GMT with the main event ringwalks scheduled for 1:45 a.m. ET / 6:45 a.m. GMT. These timings could change due to the length of the undercard fights.   

What channel/stream is Tszyu vs. Harrison?

• U.S.: Showtime
• UK: TBA

Showtime will broadcast the fight in the U.S. (click here for more information), meanwhile a UK broadcaster has not been announced at the time of writing. 

Where is Tszyu vs. Harrison? 

The fight will take place at the Qudos Bank Arena in Sydney, Australia. 

Tim Tszyu record and bio

• Nationality: Australian
• Age: 28 
• Height: 5' 8.5" 
• Reach: 72"
• Total fights: 21
• Record: 21-0 (15 KOs)

Tony Harrison record and bio

• Nationality: American 
• Age: 32 
• Height: 6' 1"
• Reach: 76.5"
• Total fights: 33
• Record: 29-3-1 (21 KOs)

Tszyu vs. Harrison card

• Tim Tszyu vs. Tony Harrison; Light middleweight
• Sam Goodman vs. TJ Doheny; Super bantamweight
• Koen Mazoudier vs. Ben Mahoney; Light middleweight
• Paulo Aokuso vs. Yunieski Gonzalez; Light heavyweight
• Isaac Hardman vs. Rohan Murdock; Super middleweight
• Nikita Tszyu vs. Bo Belbin; Light middleweight
• Shanell Dargan vs. Courtney Martin; Women's featherweight