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

EGTB: win in 2 half-moves

# move score
1 Rc2 win in 1 half-moves
2 Rc4 win in 1 half-moves
3 Rc5 win in 1 half-moves
4 Rc6 win in 1 half-moves
5 Rc7 win in 1 half-moves
6 Kc2 draw
7 Kd2 draw
8 Ra1 draw
9 Rb1 draw
10 Ke1 loss in 1 half-moves
11 Ke2 loss in 1 half-moves
12 Rc3 loss in 1 half-moves
13 Rc8 loss in 1 half-moves