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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kd4 win in 1 half-moves
3 Rc4 win in 1 half-moves
4 Rb7 win in 3 half-moves
5 Rc6 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Ra7 draw
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kc4 loss in 1 half-moves