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 Rc6 win in 1 half-moves
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kc3 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Ke8 loss in 1 half-moves