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 Kc1 draw
3 Kc2 draw
4 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Kd2 draw
8 Kd4 draw
9 Kd6 draw
10 Ke1 draw
11 Ke2 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra5 draw
16 Ra8 draw
17 Rc4 draw
18 Rd4 draw
19 Ke4 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ke6 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