The first two-day match of the season for both clubs, Katunga won the toss and chose to bat.
For the Rhinos, Rory Bartlett struck first, getting Samuel Boyd caught by Boddie Arthur for 10 in the fifth over.
Andrew Hogan was next to breakthrough, bowling Ethan Davies for 28 in the 17th over.
Jacob Bartlett and Brayden Beaton added a strong partnership before Bartlett was out for 36 caught by Charlie Hillier in the 20th over.
The following over, Hogan then had Nash Siermans dismissed without scoring, caught by Griegan French.
The Rhinos were in a good position when Beaton was out for 26 off Hogan’s bowling, again caught by Charlie at the end of the 27th over.
Katunga’s Daniel Henderson then countered the Rhinos’ attack on the Swans’ tail, including Adam Cook.
Adam and Jules Cook were the next batsmen to depart, both bowled by Joice Mathew for 25 and 0 respectively in the 45th over.
Anthony Bradley finally removed Henderson, caught by Mathew, for a score of 69 off 88 balls - including 12 fours and one six - three overs later.
Bradley and Hogan had one more wicket each to end the Katunga innings in the 56th and 57th over.
Bradley had Brendan Thorne out for eight, caught by Tom McCallum, while Hogan had Hamish McGregor bowled for 15.
This had Katunga all out for 224 from 56.3 overs.
In reply, with 23 overs to be played to finish out the day, the Rhinos were out to make the best of their first two-day chase this season.
The Rhinos lost the early wicket of opener French for four off the bowling of Bartlett, caught by Siermans.
Harry Hillier came to the crease but was the next to depart, bowled by Duncan for eight at the end of the 12th over.
Todd and Arthur made inroads into the Katunga total before Todd was out for 32, caught by Beaton off Bartlett's bowling at the end of the 19th over.
Arthur followed the next over, caught by Ethan Davies off Hamish McGregor’s bowling for 19.
This saw Bradley and Charlie Hillier see out the bowling the next three overs without scoring, and without the loss of a wicket, until the end of the day’s play.
The Rhinos will resume their chase this Saturday at 4/70 after 23 overs.
Bradley and Charlie will be at the crease, looking to erase the Rhinos’ 154 run deficit with six wickets in hand and a full day’s play left.