Ka cika wannan magana: A shekara ta 1639, Ferdinand ya sake yin nasara wajen hana shirin Faransa da Holland. Rundunar sojan ruwa ta Holland ta kayar da wani babban jirgin ruwa na Spain a cikin
Yaƙin Downs, a gabar tekun Ingila, amma ya kasa hana yawancin sojojin da yake ɗauka, kimanin 7,000 zuwa 10,500 masu tafiya, daga saukowa a Dunkirk. Duk da yake Ferdinand ya hana Yarima na Orange daga Hulst, sojojin Spain a karkashin Count Piccolomini sun hallaka babban sojojin Faransa a kudu a yakin Thionville.