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 Rh1 win in 11 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kc2 draw
6 Kd1 draw
7 Kd2 draw
8 Ke1 draw
9 Ke2 draw
10 Kf1 draw
11 Kg1 draw
12 Kg2 draw
13 Kg3 draw
14 Rh3 draw
15 Rh8 draw
16 Ke3 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves