| Type: | itf women's circuit |
| Fuzion 100 Southsea Trophy | |
| Event Name: | Southsea |
| Location: | Southsea, United Kingdom |
| Venue: | Canoe Lake |
| Category: | ITF $100,000+H |
| Surface: | Grass |
| Draw: | 16S/8D |
| Prize Money: | $100,000+H |
| Website: | www.lta.org.uk |
The Fuzion 100 Southsea Trophy, previously named the Aegon Southsea Trophy, was a tennis tournament held on outdoor grass courts at Canoe Lake in Southsea, United Kingdom. It was held from 2017 to 2018 and was part of the ITF Women's Circuit as a $100,000+H event.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
 Kirsten Flipkens | 6–4, 5–7, 6–3 | |||
| Tatjana Maria | 6–2, 6–2 |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
Kirsten Flipkens  Johanna Larsson | 6–4, 3–6, [11–9] | |||
 Shuko Aoyama  Yang Zhaoxuan | 6–7(7–9), 6–3, [10–8] |