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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Kb2 draw
3 Kc2 draw
4 Kd3 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra6 draw
9 Ra7 draw
10 Ra8 draw
11 Rf4 draw
12 Rg4 draw
13 Rh4 draw
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves