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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Rh7 draw
3 Kb2 loss in 2 half-moves
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kcd2 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ked2 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rh2 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Rh8 loss in 2 half-moves