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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Kb7 draw
8 Kb8 draw
9 Ra6 draw
10 Rb6 draw
11 Rc6 draw
12 Rd6 draw
13 Re6 draw
14 Rf3 draw
15 Rf4 draw
16 Rf5 draw
17 Rf7 draw
18 Rf8 draw
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves