The latest Wisconsin poll conducted by Public Policy Polling shows a virtually even race between Donald Trump and Ted Cruz. Cruz leads Trump by just one percentage point in the poll.

The margin is much closer than a recent Marquette poll that showed Cruz with a 10 percentage point lead. The Public Policy poll also showed John Kasich supporters are more likely to support Cruz than Trump.

Cruz leads Trump 49/41 head to head in Wisconsin. Kasich voters would prefer Cruz over Trump 51/19: https://t.co/QrTdZgPSK8 — PublicPolicyPolling (@ppppolls) March 31, 2016

Kasich has reiterated his desire to stay in the nomination process through the convention. There are 42 delegates at stake in Tuesday’s Wisconsin Republican primary.

Here’s a look at the latest Wisconsin GOP polls.

Public Policy Polling

The Public Policy poll was conducted March 28-29. It has a margin of error of 2.6 percentage points.

CANDIDATE VOTE% Ted Cruz 38 Donald Trump 37 John Kasich 17

RealClear Politics Average

RealClear Politics keeps a running average of the Wisconsin polls. The average includes data from four polls. The Marquette poll conducted March 24-28, the Optimus poll conducted March 22-24, the Emerson poll conducted March 20-22 and the Free Beacon/Basswood Research poll conducted March 19-20.

CANDIDATE VOTE% Ted Cruz 34.8 Donald Trump 31.8 John Kasich 22.5

Marquette

The Marquette poll was conducted March 24-28. It has a margin of error of 5.8 percentage points.

CANDIDATE VOTE% Ted Cruz 40 Donald Trump 30 John Kasich 21

Optimus

The Optimus poll was conducted March 22-24. It has a margin of error of 1.1 percentage points.

CANDIDATE VOTE% Donald Trump 31 John Kasich 29 Ted Cruz 27

Emerson

The Emerson poll was conducted March 20-22. It has a margin of error of 4.6 percentage points.

CANDIDATE VOTE% Ted Cruz 36 Donald Trump 35 John Kasich 19

Free Beacon/Basswood Research

The Free Beacon/Basswood Research poll was conducted March 19-20. It has a margin of error of 4.4 percentage points.