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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra5 draw
14 Ra7 draw
15 Rb4 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Ra8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves