She joined the organisation on a full-time basis six months ago but is taking "some time out", Tennis Otago chairman John Alexander said.
"She had sort of worked right through school and then did her degree and masters and then worked for netball for a while before coming to tennis," Alexander said.
"She is going over to Scotland to spend some time over there and also in the UK."
While Andrew’s time in the role was limited, she brought a lot of energy and enthusiasm to her work and helped lift the profile of tennis in the region, Alexander said.
"We would have obviously liked it to have continued because we could see positive things happening," he said.
"We sort of went out on a limb a little bit in that that was the first time we’ve had a full-time position looking after tennis in some time. We thought it would be worthwhile because having a full-time person down there could actually generate a bit of momentum for us.
"It may set us back a little bit but what we’ve done is we’ve tried to beef up our subcommittee ... so it takes the pressure off that administrative role."
Former Mornington School principal Clark Bragg (70), who retired from education four years ago, has taken over from Andrew in a reduced capacity.
He has accepted a six-month part-time contract and made a start earlier this month.
Alexander said Tennis Otago would "play it by ear" regarding finding a more permanent replacement.
"Ideally, we need someone looking after the core administrative duties and we need a development person, as well. That is really what we want. How we do that, I’m really not sure, because obviously we do not have the funding to do that."
Like a lot of traditional sports, tennis is struggling to retain and attract members.
There are about 350 registered players this season which is "probably about as low as it has even been".
"There are a lot of casual players in tennis now ... but they are not actually affiliated to clubs. The old affiliation model may need to be re-looked at.
"It is the same for a lot of other sports. Golf is another example where people would rather just go and play a casual game of golf rather than committing to a club."
Andrew could not be reached for comment.
