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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 Kd6 win in 1 half-moves
4 Re4 draw
5 Rb1 loss in 2 half-moves
6 Rb5 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rg4 loss in 2 half-moves
11 Rh4 loss in 2 half-moves
12 Kb7 loss in 1 half-moves
13 Kb8 loss in 1 half-moves
14 Kc8 loss in 1 half-moves
15 Kd7 loss in 1 half-moves
16 Kd8 loss in 1 half-moves
17 Ra4 loss in 1 half-moves
18 Rb2 loss in 1 half-moves
19 Rb3 loss in 1 half-moves
20 Rc4 loss in 1 half-moves
21 Rd4 loss in 1 half-moves
22 Rf4 loss in 1 half-moves