As expected for what will be a historic night for boxing, it's an undercard full of exciting matchups with two further world title fights set to take place. 

In the co-main event, Jai Opetaia and Mairis Briedis will meet for a second time for the vacant IBF cruiserweight title, and before this contest IBF world super featherweight Joe Cordina will be defending his belt against Anthony Cacace. 

Other names set to feature on the undercard include veteran and former light heavyweight champion Sergey Kovalev, and exciting British heavyweight prospect Moses Itauma. 

Here's everything you need to know ahead of Fury vs. Usyk and who features on the undercard.

Fury vs. Usyk fight date, start time tonight

• Date: Saturday, May 18 
• Time: 5 p.m. UK / 12 p.m. ET  
• Main event ringwalks (approx): 11:05 p.m. UK / 6:05 p.m. ET 

The Fury vs. Usyk ringwalks are scheduled for 11:05 p.m. UK / 6:05 p.m. ET with the main card set to begin at 5 p.m. UK / 12 p.m. ET. These timings are subject to change. 

Can I watch Fury vs. Usyk on DAZN tonight?

Fury vs. Usyk will be available on DAZN in over 200 countires across the globe. You can sign up and purchase here. 

Full details of the PPV prices can be found here. 

What devices are supported by DAZN?

DAZN has apps available for all of the following platforms: Apple TV, Chromecast, Amazon Fire TV, Amazon Fire Stick, Amazon Fire Tablet, Android Phone & Tablet, iPhone & iPad, Android TV, LG, Smart TV, Panasonic Smart TV, Samsung Smart TV, Sony Smart TV, SmartCast, Xbox One, Xbox Series X|S, PlayStation 4, PlayStation 5 and Roku.

Here is a full list of the devices where DAZN is available, in addition to web browsers on DAZN.com (if you are in Argentina, Chile and Colombia you must download the DAZN app from the Apple App Store or Android Google Play store and then sign up from there, rather than via web browser):

Where is Fury vs. Usyk tonight? 

The fight will take place at the Kingdom Arena in Riyadh, Saudi Arabia. 

Fury vs. Usyk fight card

• Tyson Fury vs. Oleksandr Usyk: For the IBF, WBA, WBC and WBO heavyweight titles
• Jai Opetaia vs. Mairis Briedis; For the vacant IBF cruiserweight title
• Joe Cordina vs. Anthony Cacace; For the Cordina's IBF super featherweight title 
• Frank Sanchez vs. Agit Kabayel; Heavyweight
• Moses Itauma vs. Ilija Mezencev; Heavyweight
• Mark Chamberlain vs. Joshua Wahab; Lightweight
• Sergey Kovalev vs. Robin Sirawn Safar; Cruiserweight
• Daniel Lapin vs. Octavio Pudivtr; Light heavyweight
• David Nyika vs. Michael Seitz; Cruiserweight
• Isaac Lowe vs. Hasibullah Ahmadi; Featherweight