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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Rg5 win in 7 half-moves
6 Rg6 win in 19 half-moves
7 Rg7 win in 19 half-moves
8 Rg8 win in 19 half-moves
9 Rh4 win in 23 half-moves
10 Kd8 win in 29 half-moves
11 Kb8 draw
12 Rf4 draw
13 Ra4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves