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 Ka7 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Rg7 win in 5 half-moves
5 Rg8 win in 5 half-moves
6 Kb8 draw
7 Kc4 draw
8 Kc5 draw
9 Kc6 draw
10 Ke4 draw
11 Ke5 draw
12 Ke6 draw
13 Rc4 draw
14 Rd4 draw
15 Re4 draw
16 Rf4 draw
17 Rg3 draw
18 Rg5 draw
19 Rg6 draw
20 Rh4 draw
21 Kd4 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves