I believe that Amazon used to have exclusive rights to, specifically, the US Open. I hope that the WTA, ATP and Grand Slam owners realise that by accepting Sky they may have got a lot of cash now but have harmed UK tennis fans. How will that play out...
I contacted NOW TV via the chat feature on the website to get a refund based on the lack of replays. After a long chat, the operative said that they would email me. So it’s pending!