Jamie Dwyer broke the Australian men's hockey all-time international goal-scoring record, but his side paid dearly for wasteful shooting as they drew 2-2 with Argentina at the Olympic Games.
While the Kookaburras are unbeaten in three matches, they will rue their failure to take better advantage of having 24 shots at goal to Argentina's seven, and coughing up a 2-0 halftime lead.
Dwyer's record-breaking 180th goal for his country took him past former Kookaburras legend Mark Hager - a simple tap-in just prior to halftime to give his side their two-goal buffer after Matthew Butturini's early strike.
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But an early second half goal to Argentine skipper Matias Vila, which deflected off Australian defender Fergus Kavanagh's stick, gave their bottom-placed rivals in Pool A rivals a sniff.
And the Kookaburras' waywardness in front of goal kept the door open for Argentina to deliver a sucker punch with two minutes remaining.
Gonzalo Peillat slammed home a penalty corner to equalise, and stop the Kookaburras from running away at the top of their pool.
The Kookaburras will remain top of their group regardless of other results on Friday.
But it means they will have to win both their remaining matches to guarantee top spot in the group going into the semi-finals.
Hager, who is New Zealand's women's hockey coach at the Games, paid tribute to Dwyer.
"Records are meant to be broken," he said.
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"Good luck to him, he's a quality player, one of the world's best. If an Australian record's going to get beaten then there's no better person to achieve that."
The Kookaburras' next match is against Great Britain on Sunday.