Possible Clues:

• Contended with horseman, say, several days
• 'Bedtime: that's all ____' — no love this time
• Two weeks in secure accommodation near the beginning of term
• Soldiers taken, disheartened, into battle for several days
• Reportedly battled with Galahad for some time?
• Keep dark for a set period
• Was boxing champion, say, for two weeks
• Time for Wimbledon — pro getting close time after time
• Semimonthly period, roughly
• Crossed swords with mounted soldier, we hear, for some time