2016-17: Made her NWSL debut as a second-half substitute against Sky Blue FC on June 17...Helped lead Canberra United to the W-League Premiership, advancing to the semifinal round of the W-League playoffs...Won the W-League Golden Boot, scoring 12 goals.
2015-16: Won the Julie Dolan Medal, awarded to the best player in the W-League, helping Canberra United to a second-place finish in the regular season...Tallied seven goals.
2014: Led Canberra United to the W-League Grand Final, tallying a brace in a 3-1 win over Perth Glory...Scored four goals during the regular season. 2013-14: Helped lead Canberra United to the regular-season title before falling in the semifinal round fo the playoffs, tallying two goals during the regular season.
As an Australian international, Sykes has been capped 19 times, including a pair of substitute appearances at the 2015 FIFA Women’s World Cup. Making her international debut in 2008 at the AFF Women’s Championship, Sykes helped Australia win the tournament, scoring her first international goal in a win over the Philippines.