Particularly in Spain it is hard to find streaming services to watch the major International golf and tennis tournaments live online.
Besides the notoriously expensive Movistar+ offer, there is no alternative. The Eurosport Pass is geo-restricted in Spain for golf and tennis live coverage.
TennisTV offers ATP Tennis streaming online with a Premium monthly subscription.
Stan. provides Tennis (US Open, Wimbledon, Australian Open, Roland Garros) streaming online with the Stan Sport package. You will need a VPN service to stream from the Australian service provider.
Canal+ in France offers Tennis (Roland Garros, Wimbledon and US Open), Golf, Champions League and Premier League live streaming online but restricted to users with a residence in France with a, rather expensive, monthly or yearly subscription.
You may also try your luck with ‘free’ portals, if you can get around the many pop-up links: Live Tennis Streams
Golf can be watched using one of the ‘free’ portals, if you have patience and are able to work around the many pop-up links:
read also my post on internet streaming outside your country of origin
