| Tournament: | 2018–19 Women's Hockey Series Open |
| Dates: | 5 June – 9 December 2018 |
| Venues: | 7 |
| Cities: | 7 |
| Teams: | 33 |
| Confederations: | 5 |
| Matches: | 70 |
| Goals: | 493 |
| Top Scorer: |  Michel Navarro |
| Top Scorer Goals: | 15 |
The 2018–19 Women's Hockey Series Open was an international field hockey competition held from June to December 2018.
| Tournament: | Salamanca |
| Country: | Mexico |
| City: | Salamanca |
| Dates: | 5–10 June |
| Venues: | Cancha de Hockey Siglo XXI |
| Teams: | 5 |
| Matches: | 10 |
| Goals: | 134 |
| Top Scorer: | Michel Navarro |
| Top Scorer Goals: | 15 |
All times are local (UTC−6).
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| Tournament: | Hockey Series Open Singapore |
| Country: | Singapore |
| Dates: | 23 June–1 July |
| Venues: | Seng Kang Sports Club |
| Teams: | 6 |
| Matches: | 18 |
| Goals: | 120 |
| Top Scorer: | Nuraini Rashid |
| Top Scorer Goals: | 9 |
All times are local (UTC+8).
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| width=10px bgcolor=ccffcc | Qualified for the Hockey Series Finals |
| Rank | width=170 | Team |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
| Tournament: | Wattignies |
| Country: | France |
| City: | Wattignies |
| Dates: | 6–8 July |
| Teams: | 4 |
| Matches: | 6 |
| Goals: | 30 |
| Top Scorer: |  Bogdana Sadovaia |
| Top Scorer Goals: | 5 |
All times are local (UTC+2).
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| Tournament: | Hockey Series Open Port Vila |
| Country: | Vanuatu |
| City: | Port Vila |
| Dates: | 15–18 August |
| Venues: | Port Vila hockey |
| Teams: | 4 |
| Matches: | 8 |
| Goals: | 59 |
| Top Scorer: | Tiara Dutta |
| Top Scorer Goals: | 9 |
Matches were played in a Hockey5s format.
All times are local (UTC+11).
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| width=10px bgcolor=ccffcc | Qualified for the Hockey Series Finals |
| Rank | width=170 | Team |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| 4 |
| Tournament: | Vilnius |
| Country: | Lithuania |
| City: | Vilnius |
| Dates: | 21–26 August |
| Teams: | 5 |
| Matches: | 10 |
| Goals: | 32 |
| Top Scorer: |  Kateřina Jelínková |
| Top Scorer Goals: | 4 |
----------------The game was stopped after 40 minutes due to heavy rain and continued on 09:30 the next day.----
| Tournament: | Santiago |
| Country: | Chile |
| City: | Santiago |
| Dates: | 18–23 September |
| Venues: | Prince of Wales Country Club |
| Teams: | 6 |
| Matches: | 15 |
| Goals: | 109 |
| Top Scorer: | María Maldonado |
| Top Scorer Goals: | 11 |
All times are local (UTC−4).
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| Tournament: | Hockey Series Open Bulawayo |
| Country: | Zimbabwe |
| City: | Bulawayo |
| Dates: | 7–9 December |
| Venues: | Khumalo Hockey Stadium |
| Teams: | 3 |
| Matches: | 3 |
| Goals: | 9 |
| Top Scorer: | Nine players |
| Top Scorer Goals: | 1 |
All times are local (UTC+2).
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