Did I miss my ovulation?

I am new to ovulation tests just started this month at cycle day 10. (My period is 6 days) if you look at the photo the lines are almost as dark as the control line on days 10 and 12. I thought those were negative because they weren’t as dark as the control line but now that I keep getting negatives I’m worried I missed it. What do you think? My cycle is usually 30ish days but the last two months have been 28 days. I’m going to keep testing the next few days at least but I just find it strange how dark those two days are and they aren’t even consecutive days. Did I get a bad batch of tests? Thoughts? Thanks ladies!