Use our Action Network Underdog promo code TOPACTION to claim $50 in fantasy bonus entries for Thursday’s World Cup schedule. After signing up, new users can place $5+ on a soccer DFS lineup to activate the $50 bonus. Use it to make picks for South Korea vs. Czechia, which kicks off at 10 p.m. ET on FS1 as World Cup action continues Thursday night.
Underdog gives users a fantasy-based alternative to traditional online sports betting. The platform is built around player pick’em contests, where users choose Higher or Lower on listed projections for World Cup players and athletes across other major sports.
Tap the link in the chart below to unlock the $50 Underdog sign-up bonus today, Thursday, June 11, 2026.
| Underdog Promo Code | DFS States Available | Underdog Promo Offer |
|---|---|---|
| TOPACTION | AL, AK, AR, CA, DC, FL, GA, IL, IN, KS, ME, MS, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, VT, VA, UT, WI, WY | Play $5, Get $50 in Bonus Entries |
How to Use Underdog Promo Code TOPACTION on South Korea vs. Czechia
Use the verified Underdog promo code TOPACTION from Action Network by tapping the offer module below. Create your new DFS account, make a minimum deposit after sign-up, then build a lineup with Higher and Lower soccer picks. Place $5+ on your entry to trigger $50 in fantasy bonus entries.
Include any of these South Korea vs. Czechia predictions in your first pick’em entry at one of the top DFS sites for World Cup action:
- Heung-Min Son Higher Than 0.5 Shots on Goal: Son remains South Korea’s most dangerous attacking player and should be heavily involved whenever they push into the final third. At 33, the LAFC forward could be playing in his final World Cup, and South Korea will likely need him to create chances early and often against Czechia.
- South Korea Higher Than 0.5 Goals: South Korea has enough attacking quality to break through at least once if Son finds space in transition or forces Czechia to defend deeper. This pick gives users a team-based angle tied to South Korea’s ability to turn pressure into a goal.
- Czechia Lower Than 1.5 Goals: Czechia can be organized and difficult to play through, but this matchup still projects as a tight World Cup opener rather than a wide-open scoring game. If South Korea manages possession well and avoids defensive mistakes, Czechia may struggle to produce multiple goals.
Submit my 3-pick lineup above as a Standard entry and win 6x when all three picks hit. Or submit it as a Flex entry and win 3x when each pick is right, or 1x if two predictions are correct.
Follow These Steps to Sign Up With Underdog Now
Register now with the Action Network Underdog promo code TOPACTION using these instructions:
- Step 1: Download Underdog on your iOS or Android mobile device with this link.
- Step 2: Create your new Underdog account username and password.
- Step 3: Enter an your date of birth, email address, and personal identifying information.
- Step 4: Insert the Underdog promo code TOPACTION when prompted.
- Step 5: Read and agree to the Underdog Privacy Policy and Terms of Use.
- Step 6: Use an approved Underdog banking method to make a $10+ qualifying deposit.
- Step 7: Place a $5+ lineup of South Korea vs. Czechia World Cup DFS picks to receive $50 worth of fantasy bonus entries.
Underdog Terms & Conditions
Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).
