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 Kc7 draw
3 Kc8 draw
4 Ke2 draw
5 Ke3 draw
6 Ke4 draw
7 Kf2 draw
8 Kf4 draw
9 Kg2 draw
10 Kg3 draw
11 Kg4 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra5 draw
16 Ra6 draw
17 Ra8 draw
18 Rc4 draw
19 Rd4 draw
20 Kd7 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves