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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kd6 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Kb7 loss in 4 half-moves
9 Kb8 loss in 4 half-moves
10 Kc8 loss in 4 half-moves
11 Kd7 loss in 4 half-moves
12 Kd8 loss in 4 half-moves
13 Re5 loss in 4 half-moves
14 Rf5 loss in 4 half-moves
15 Rh5 loss in 4 half-moves
16 Ra5 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rb1 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rb3 loss in 1 half-moves
22 Rg5 loss in 1 half-moves