Complex sentence: The Surrey Championships also known as the Surrey Grass Court Championships is a defunct tennis tournament played in Surbiton, England on outdoor grass court first staged in 1890 and was an amateur tournament until the open era of tennis.
Split into simpler sentences: The Surrey Championships also known as the Surrey Grass Court Championships is a defunct tennis tournament played in Surbiton, England. It was first played in 1890 under the name of the Surrey Championships and was an amateur tournament until the open era of tennis.