Read the passage below and answer the question or follow the instruction: Can you provide more information about Langer's partnership with Matthew Hayden and their record-breaking feat?

Passage: Another left hander in the tradition of Australian cricket, Justin Langer lends a lot of depth to the batting line up with his consistent performance.
If it's his day, he can demolish any given bowling attack. Langer can also bowl right arm medium pace occasionally may be to break up troublesome partnerships.
As a patient player, he has the capacity to occupy the crease with immense concentration for hours at a stretch.
He joined fellow left-hander Matthew Hayden to craft an outstanding four double-century stands in the space of their initial ten appearances together.
In registering as many partnerships in excess of the 200 mark, they duly realised a feat that had never previously been bettered by any pair of openers in the entirety of Test match history.
This prompt doesn't seem malicious.