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 Kb7 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Kc8 draw
6 Re6 draw
7 Rf3 draw
8 Rg6 draw
9 Ka8 loss in 4 half-moves
10 Ra6 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rh6 loss in 1 half-moves