Complex sentence: The 2013 Six Nations Championship saw Ireland finish with one win, three losses, and one draw, including their first home loss to England in 10 years; and their first ever loss to Italy in the Six Nations.
Split into simpler sentences: The 2013 Six Nations Championship saw Ireland finish with one win, three losses, and one draw. The three losses included their first home loss to England in 10 years; and their first ever loss to Italy in the Six Nations.