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 K6b7 draw
3 K6c7 draw
4 K6d7 draw
5 K8b7 draw
6 K8c7 draw
7 K8d7 draw
8 Kb5 draw
9 Kb6 draw
10 Kb8 draw
11 Kc5 draw
12 Kd5 draw
13 Kd6 draw
14 Kd8 draw
15 Ra6 draw
16 Ra7 draw
17 Ra8 draw
18 Rb4 draw
19 Rc4 draw
20 Rd4 draw
21 Rh4 draw
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves