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

EGTB: win in 2 half-moves

# move score
1 Ke7 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Rc5 win in 1 half-moves
4 Kd7 loss in 2 half-moves
5 Kd8 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd8 loss in 2 half-moves