Lydia Ko could lose her number one world round if she doesn't find form this weekend.

Lydia Ko has shown off her backyard golf skills her a promotional video for the New Zealand Women's Open.

World number one Lydia Ko has made a solid start to the new golf season at the Australian Open in Adelaide.

World No 1 Lydia Ko tees off at the Australian Women's Open with a new coach, new caddie and new clubs.

A new coach, some subtle tweaks to her swing and a different mind set have put Lydia Ko in a good space ahead of the 2017 season.

Tony Veitch chats to Lydia Ko about what it's like to be the world No.1 in professional womens golf.

World number one Lydia Ko is ready for the 2017 golf season, after confirming South African Gary Gilchrist as her coach.

Almost two months after splitting with David Leadbetter, Lydia Ko's expected to announce her coaching future in the coming fortnight

The 2017 Lydia Ko Scholarship has been completed with Alanna Campbell (BOP) and Momoka Kobori (Canterbury) enjoying a great week under

Lydia Ko has produced an impressive recovery after an early double bogey at the CME Group Tour Championship. The world number one

Some fear Lydia Ko's sacking of caddy Jason Hamilton could point to a downward spiral in the fortunes of the world's No 1 woman golfer, writes Paul Lewis.

World number one Lydia Ko produced her worst result of 2016 with after finishing well back at the latest LPGA event in South Korea. Ko

Taking a week off the LPGA Tour has cost Lydia Ko the lead in the season points standings.

Lydia Ko has added another award to her ever-expanding trophy cabinet despite finishing well back at the Evian Championship. Korean

Lydia Ko has some work ahead to defend her Evian Championship golf major. The world number one has shot a one-under par 70 in the

A computer generated baby lookalike of Lydia Ko will be seen on seven million bottles of Evian water as part of a sponsorship deal.

Lydia Ko's assured touch with the putter deserted her in the second round of the women's golf tournament at the Rio Olympics to send

A miraculous eagle has rescued a nervous Lydia Ko's first round in Rio as women's golf ended a 116-year absence from the Olympic Games.

Lydia Ko has finished tied for third at the US Open after leading for a large chunk of the final round.

Lydia Ko is five shots off the pace after her first round at the Swinging Skirts LPGA tournament in San Francisco.

WATCH: Lydia Ko celebrated her ANA Inspiration tournament win by doing the traditional leap into Poppies' Pond.

A year ago Lydia Ko matched Annika Sorenstam's streak of 29 consecutive under par rounds.

Lydia Ko sits in a share of fourth place after shooting a four-under 68 in the opening round at the Kia Classic in Carlsbad, California.