| Ottawa Senators |
| #11 | Day 3 | 9/10/2025 | Ottawa Senators @ Tampa Bay Lightning | W | 3 - 2 |
| #27 | Day 5 | 11/10/2025 | Ottawa Senators @ Florida Panthers | L | 1 - 3 |
| #41 | Day 7 | 13/10/2025 | Nashville Predators @ Ottawa Senators | OTL | 4 - 3 (prol.) |
| #57 | Day 9 | 15/10/2025 | Ottawa Senators @ Buffalo Sabres | OTW | 4 - 3 (prol.) |
| #63 | Day 10 | 16/10/2025 | Seattle Kraken @ Ottawa Senators | W | 1 - 5 |
| #77 | Day 12 | 18/10/2025 | New York Islanders @ Ottawa Senators | L | 4 - 2 |
| #99 | Day 15 | 21/10/2025 | Edmonton Oilers @ Ottawa Senators | L | 3 - 1 |
| #112 | Day 17 | 23/10/2025 | Philadelphia Flyers @ Ottawa Senators | W | 2 - 6 |
| #135 | Day 19 | 25/10/2025 | Ottawa Senators @ Washington Capitals | L | 2 - 3 |
| #149 | Day 21 | 27/10/2025 | Boston Bruins @ Ottawa Senators | W | 3 - 5 |
| #160 | Day 22 | 28/10/2025 | Ottawa Senators @ Chicago Blackhawks | L | 1 - 4 |
| #168 | Day 24 | 30/10/2025 | Calgary Flames @ Ottawa Senators | W | 2 - 4 |
| #187 | Day 26 | 1/11/2025 | Ottawa Senators @ Montreal Canadiens | OTL | 3 - 4 (prol.) |
| #218 | Day 31 | 6/11/2025 | Ottawa Senators @ Boston Bruins | OTL | 5 - 6 (prol.) |
| #232 | Day 33 | 8/11/2025 | Ottawa Senators @ Philadelphia Flyers | L | 1 - 3 |
| #247 | Day 34 | 9/11/2025 | Utah Mammoth @ Ottawa Senators | W | 2 - 3 |
| #258 | Day 36 | 11/11/2025 | Dallas Stars @ Ottawa Senators | L | 1 - 0 |
| #271 | Day 38 | 13/11/2025 | Boston Bruins @ Ottawa Senators | L | 2 - 1 |
| #286 | Day 40 | 15/11/2025 | Los Angeles Kings @ Ottawa Senators | SOW | 2 - 3 (fusi.) |
| #329 | Day 45 | 20/11/2025 | Ottawa Senators @ Anaheim Ducks | OTL | 1 - 2 (prol.) |
| #342 | Day 47 | 22/11/2025 | Ottawa Senators @ San Jose Sharks | L | 3 - 6 |
| #359 | Day 49 | 24/11/2025 | Ottawa Senators (8-9-4) @ Los Angeles Kings (4-16-2) | | |
| #373 | Day 51 | 26/11/2025 | Ottawa Senators (8-9-4) @ Las Vegas Golden Knights (15-5-1) | | |
| #382 | Day 53 | 28/11/2025 | Ottawa Senators (8-9-4) @ St-Louis Blues (11-10-1) | | |
| #405 | Day 55 | 30/11/2025 | Ottawa Senators (8-9-4) @ Dallas Stars (13-7-2) | | |
| #411 | Day 57 | 2/12/2025 | Ottawa Senators (8-9-4) @ Montreal Canadiens (17-4-0) | | |
| #427 | Day 59 | 4/12/2025 | New York Rangers (13-5-5) @ Ottawa Senators (8-9-4) | | |
| #445 | Day 61 | 6/12/2025 | St-Louis Blues (11-10-1) @ Ottawa Senators (8-9-4) | | |
| #467 | Day 64 | 9/12/2025 | New Jersey Devils (13-7-1) @ Ottawa Senators (8-9-4) | | |
| #486 | Day 66 | 11/12/2025 | Ottawa Senators (8-9-4) @ Columbus Blue Jackets (10-12-0) | | |
| #496 | Day 68 | 13/12/2025 | Ottawa Senators (8-9-4) @ Minnesota Wild (9-13-1) | | |
| #516 | Day 70 | 15/12/2025 | Ottawa Senators (8-9-4) @ Winnipeg Jets (14-7-0) | | |
| #537 | Day 73 | 18/12/2025 | Pittsburgh Penguins (6-13-2) @ Ottawa Senators (8-9-4) | | |
| #551 | Day 75 | 20/12/2025 | Chicago Blackhawks (11-9-2) @ Ottawa Senators (8-9-4) | | |
| #564 | Day 76 | 21/12/2025 | Ottawa Senators (8-9-4) @ Boston Bruins (16-6-2) | | |
| #578 | Day 78 | 23/12/2025 | Buffalo Sabres (5-9-8) @ Ottawa Senators (8-9-4) | | |
| #590 | Day 82 | 27/12/2025 | Ottawa Senators (8-9-4) @ Toronto Maple Leafs (16-6-0) | | |
| #606 | Day 84 | 29/12/2025 | Columbus Blue Jackets (10-12-0) @ Ottawa Senators (8-9-4) | | |
| #632 | Day 87 | 1/1/2026 | Washington Capitals (15-6-1) @ Ottawa Senators (8-9-4) | | |
| #650 | Day 89 | 3/1/2026 | Winnipeg Jets (14-7-0) @ Ottawa Senators (8-9-4) | | |
| #664 | Day 91 | 5/1/2026 | Detroit Red Wings (8-11-3) @ Ottawa Senators (8-9-4) | | |
| #680 | Day 93 | 7/1/2026 | Ottawa Senators (8-9-4) @ Utah Mammoth (6-15-1) | | |
| #691 | Day 94 | 8/1/2026 | Ottawa Senators (8-9-4) @ Colorado Avalanche (14-7-1) | | |
| #704 | Day 96 | 10/1/2026 | Florida Panthers (16-3-2) @ Ottawa Senators (8-9-4) | | |
| #725 | Day 99 | 13/1/2026 | Vancouver Canucks (12-10-1) @ Ottawa Senators (8-9-4) | | |
| #737 | Day 100 | 14/1/2026 | Ottawa Senators (8-9-4) @ New York Rangers (13-5-5) | | |
| #758 | Day 103 | 17/1/2026 | Montreal Canadiens (17-4-0) @ Ottawa Senators (8-9-4) | | |
| #768 | Day 104 | 18/1/2026 | Ottawa Senators (8-9-4) @ Detroit Red Wings (8-11-3) | | |
| #782 | Day 106 | 20/1/2026 | Ottawa Senators (8-9-4) @ Columbus Blue Jackets (10-12-0) | | |
| #798 | Day 108 | 22/1/2026 | Ottawa Senators (8-9-4) @ Nashville Predators (12-9-0) | | |
| #813 | Day 110 | 24/1/2026 | Carolina Hurricanes (7-14-1) @ Ottawa Senators (8-9-4) | | |
| #821 | Day 111 | 25/1/2026 | Las Vegas Golden Knights (15-5-1) @ Ottawa Senators (8-9-4) | | |
| #841 | Day 114 | 28/1/2026 | Colorado Avalanche (14-7-1) @ Ottawa Senators (8-9-4) | | |
| #866 | Day 117 | 31/1/2026 | New Jersey Devils (13-7-1) @ Ottawa Senators (8-9-4) | | |
| #877 | Day 119 | 2/2/2026 | Ottawa Senators (8-9-4) @ Pittsburgh Penguins (6-13-2) | | |
| #890 | Day 120 | 3/2/2026 | Ottawa Senators (8-9-4) @ Carolina Hurricanes (7-14-1) | | |
| #907 | Day 122 | 5/2/2026 | Ottawa Senators (8-9-4) @ Philadelphia Flyers (10-9-1) | | |
| #920 | Day 143 | 26/2/2026 | Detroit Red Wings (8-11-3) @ Ottawa Senators (8-9-4) | | |
| #939 | Day 145 | 28/2/2026 | Ottawa Senators (8-9-4) @ Toronto Maple Leafs (16-6-0) | | |
| #966 | Day 148 | 3/3/2026 | Ottawa Senators (8-9-4) @ Edmonton Oilers (14-9-1) | | |
| #981 | Day 150 | 5/3/2026 | Ottawa Senators (8-9-4) @ Calgary Flames (9-12-3) | | |
| #1000 | Day 152 | 7/3/2026 | Ottawa Senators (8-9-4) @ Seattle Kraken (10-10-2) | | |
| #1011 | Day 154 | 9/3/2026 | Ottawa Senators (8-9-4) @ Vancouver Canucks (12-10-1) | | |
| #1025 | Day 156 | 11/3/2026 | Montreal Canadiens (17-4-0) @ Ottawa Senators (8-9-4) | | |
| #1043 | Day 159 | 14/3/2026 | Anaheim Ducks (11-9-2) @ Ottawa Senators (8-9-4) | | |
| #1058 | Day 160 | 15/3/2026 | San Jose Sharks (14-5-4) @ Ottawa Senators (8-9-4) | | |
| #1079 | Day 163 | 18/3/2026 | Ottawa Senators (8-9-4) @ Washington Capitals (15-6-1) | | |
| #1084 | Day 164 | 19/3/2026 | New York Islanders (10-12-1) @ Ottawa Senators (8-9-4) | | |
| #1106 | Day 166 | 21/3/2026 | Toronto Maple Leafs (16-6-0) @ Ottawa Senators (8-9-4) | | |
| #1119 | Day 168 | 23/3/2026 | Ottawa Senators (8-9-4) @ New York Rangers (13-5-5) | | |
| #1122 | Day 169 | 24/3/2026 | Ottawa Senators (8-9-4) @ Detroit Red Wings (8-11-3) | | |
| #1138 | Day 171 | 26/3/2026 | Pittsburgh Penguins (6-13-2) @ Ottawa Senators (8-9-4) | | |
| #1152 | Day 173 | 28/3/2026 | Ottawa Senators (8-9-4) @ Tampa Bay Lightning (3-17-1) | | |
| #1181 | Day 176 | 31/3/2026 | Ottawa Senators (8-9-4) @ Florida Panthers (16-3-2) | | |
| #1191 | Day 178 | 2/4/2026 | Buffalo Sabres (5-9-8) @ Ottawa Senators (8-9-4) | | |
| #1208 | Day 180 | 4/4/2026 | Minnesota Wild (9-13-1) @ Ottawa Senators (8-9-4) | | |
| #1225 | Day 181 | 5/4/2026 | Carolina Hurricanes (7-14-1) @ Ottawa Senators (8-9-4) | | |
| #1234 | Day 183 | 7/4/2026 | Tampa Bay Lightning (3-17-1) @ Ottawa Senators (8-9-4) | | |
| #1249 | Day 185 | 9/4/2026 | Florida Panthers (16-3-2) @ Ottawa Senators (8-9-4) | | |
| #1262 | Day 187 | 11/4/2026 | Ottawa Senators (8-9-4) @ New York Islanders (10-12-1) | | |
| #1279 | Day 188 | 12/4/2026 | Ottawa Senators (8-9-4) @ New Jersey Devils (13-7-1) | | |
| #1304 | Day 191 | 15/4/2026 | Toronto Maple Leafs (16-6-0) @ Ottawa Senators (8-9-4) | | |
