Advice please

So I had sex for the first time today. We used a condom and he pulled out before finishing. When we were done we checked the condom by putting water into it and squeezed on it to where it was stretching some and the outside of the condom stayed completely dry and nothing seemed to be leaking out. Do we have anything to worry about? Like could sperm still get through a condom if the water doesn’t come through it??