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

EGTB: win in 4 half-moves

# move score
1 Ka3 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Ka1 draw
4 Kb1 draw
5 Kb2 draw
6 Ra5 draw
7 Ra6 draw
8 Ra7 draw
9 Rd4 draw
10 Ra3 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves