The top tennis visors based on the reviews are:

Glove It Classic Tennis Coil Visor This visor is available in 8 different colors and is priced at $17.95. It is a popular and highly-rated tennis visor option.

Adidas Women's Core Superlite 2 Visor This visor from adidas is available in 2 colors and is priced at $20. It has a 5-star rating from customer reviews.

Nike Core Ace Visor The Nike Core Ace Visor is available in 3 different colors and is priced at $22. It is a well-reviewed and popular tennis visor option.

Tennis Warehouse Performance Visor The Tennis Warehouse Performance Visor is available in 2 colors and is priced at $12, making it one of the more affordable options.

Mission Vented Cooling Performance Hat While not technically a visor, this hat from Mission was highly recommended by users in the Reddit thread as being great for tennis due to its sweat-wicking and cooling properties.