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 Rg7 win in 11 half-moves
4 Kb8 draw
5 Kc6 draw
6 Kd4 draw
7 Kd6 draw
8 Ke4 draw
9 Ke5 draw
10 Ke6 draw
11 Re5 draw
12 Rf5 draw
13 Rg1 draw
14 Rg6 draw
15 Rg8 draw
16 Rh5 draw
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves