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 Kc3 draw
3 Kc4 draw
4 Kc7 draw
5 Kc8 draw
6 Kd2 draw
7 Kd4 draw
8 Kd7 draw
9 Ke2 draw
10 Ke3 draw
11 Ke4 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra5 draw
16 Ra8 draw
17 Rc4 draw
18 Rd4 draw
19 Kc2 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Ra6 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