Not only did he win every time he took to the court, he utterly dominated his competition.
He didn't boast about it or carry on while playing. Instead, The Augusta Chronicle All-Area Boys Tennis Player of the Year let his game do the talking.
"He's so quiet and consistent," Evans coach Sarah Harrington said. "He's a very disciplined player. He goes out there and you know what to expect."
On the day the Knights' season ended -- with a 3-2 loss to defending state champion Starr's Mill in the second round of the Class AAAA state playoffs -- Anderson continued to dominate. He easily dispatched his opponent at No. 1 singles to complete an undefeated individual season.
It was Evans' only loss of the year. Though it ended earlier than Anderson and his teammates had hoped, they recognize what it meant.
"I'm glad we had the people we did on the team," he said of a senior-laden squad with only two non-senior starters. "We were all willing to work together pretty well."
While training at Petersburg Racquet Club for the past eight years, Anderson competed in numerous tournaments around the state and throughout the Southeast.
"I've always been competitive," he said. "I just like to win. I saw myself winning, so I didn't really think twice."
Anderson's success is predicated on tremendous fitness and extreme consistency.
His unbeaten campaign, in which he went 15-0, helped Evans to the aforementioned perfect regular season and its first region title since 2004.
For his team, Anderson was the clear leader by example.
"All of his teammates know, 'Oh, he's Robert Anderson. He's the No. 1,'" Harrington said. "Everyone knows. Just to have him as a leader, I couldn't ask for a better No. 1."
Anderson graduated in May among the top 5 percent in his class and will attend Georgia Tech in the fall.
He's unsure about his future in the sport, whether he'd try to walk on to the team there or even play club tennis.
Now that he's had time to look back on his senior season, he realizes how special it really was.
"It's pretty big," Anderson said of his and the team's accomplishments. "It was probably the best season I've had at Evans."