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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 K6c7 draw
3 K6d7 draw
4 K6e7 draw
5 K8c7 draw
6 K8d7 draw
7 K8e7 draw
8 Kc6 draw
9 Kc8 draw
10 Ke6 draw
11 Ke8 draw
12 Ra6 draw
13 Ra7 draw
14 Ra8 draw
15 Rb4 draw
16 Rf4 draw
17 Rg4 draw
18 Rh4 draw
19 Kc5 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Re4 loss in 2 half-moves