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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka2 draw
3 Ka3 draw
4 Kb2 draw
5 Kc2 draw
6 Ra2 draw
7 Ra3 draw
8 Ra5 draw
9 Ra7 draw
10 Ra8 draw
11 Rb4 draw
12 Rc4 draw
13 Re4 draw
14 Rf4 draw
15 Rh4 draw
16 Kb4 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rg4 loss in 1 half-moves