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

EGTB: win in 4 half-moves

# move score
1 Kf8 win in 3 half-moves
2 Re1 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Kf7 win in 5 half-moves
5 Rg7 win in 5 half-moves
6 Rg8 win in 5 half-moves
7 Kb7 draw
8 Kb8 draw
9 Kc7 draw
10 Kcd7 draw
11 Kcd8 draw
12 Ke7 draw
13 Ked7 draw
14 Ked8 draw
15 Rc1 draw
16 Rd1 draw
17 Rg5 draw
18 Rg6 draw
19 Rh1 draw
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves