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 Ka1 draw
3 Ka3 draw
4 Ka6 draw
5 Ka8 draw
6 Kb1 draw
7 Kb2 draw
8 Kb3 draw
9 Kb6 draw
10 Kb7 draw
11 Kb8 draw
12 Ra5 draw
13 Rb4 draw
14 Rc4 draw
15 Rd4 draw
16 Re4 draw
17 Rg4 draw
18 Rh4 draw
19 Ra3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves