Stevenage resurrected their fading play-off hopes with a vital victory over Barnsley and are now 12/1 to finish in the top six this season.
Jamie Reid's 18th league goal of the campaign and a free-kick from Dan Butler saw Stevenage come from behind and banish their eight-game winless run.
The result leaves Boro three points adrift of Oxford United in sixth, albeit with one fewer game remaining, and has injected new life into a play-off charge that had appeared all but over following defeat to Exeter City on Saturday.
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Returning to the third tier for the first time since 2014 after winning automatic promotion last season, Stevenage have been in play-off contention throughout the current campaign and have consistently punched above their weight under Steve Evans.
A run of five draws and three defeats had seemingly ended their hopes of a top-six finish but they demonstrated the fighting qualities that Evans has instilled during the win against Barnsley.
They were left to rue a series of missed chances when Phillips beat the offside trap and lobbed Craig MacGillivray to give the visitors the lead but they mustered a breakthrough just before half-time courtesy of the talismanic Reid.
A thumping free-kick from Butler then turned the tide in Stevenage's favour and the Hertfordshire club were unfortunate not to have been out of sight before the full-time whistle.
It's a timely win for Stevenage, who had not scored in the three matches prior and were without a goal at the Lamex since defeating Cambridge United on February 27.
It was also Reid's first goal since the draw against Port Vale on February 10, with the 29-year-old an influential figure in the team's success this term.
Evans' outfit face competition from Blackpool, Lincoln City and Oxford United for the final play-off berth, and they have a pivotal clash with the latter on April 19. It's a match neither side can afford to lose as the race to finish in the top six intensifies.
Home matches against Burton Albion and Cheltenham Town, who are both scrapping to preserve their League One status, are no easy assignments but victory over Barnsley should give Stevenage the confidence to take the play-off battle down to the wire.