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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rg3 win in 3 half-moves
3 Ke2 win in 5 half-moves
4 Kc2 win in 9 half-moves
5 Kd2 win in 9 half-moves
6 Kg2 win in 9 half-moves
7 Kc1 win in 11 half-moves
8 Kg3 win in 11 half-moves
9 Kh2 win in 11 half-moves
10 Rh1 win in 11 half-moves
11 Ke1 win in 13 half-moves
12 Kg4 draw
13 Kh4 draw
14 Rg4 draw
15 Rg5 draw
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves