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