Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc3 win in 1 half-moves
3 Rc6 win in 1 half-moves
4 Kc7 draw
5 Kd7 draw
6 Ke7 draw
7 Ke8 draw
8 Ra8 draw
9 Rc5 draw
10 Rc7 draw
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc4 loss in 1 half-moves