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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kg7 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Rb8 win in 5 half-moves
5 Ke8 draw
6 Kg8 draw
7 Ra6 draw
8 Rb5 draw
9 Rh6 draw
10 Kf7 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves