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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Rg7 win in 1 half-moves
3 Rg8 win in 1 half-moves
4 Kb1 draw
5 Kc2 loss in 8 half-moves
6 Kd2 loss in 8 half-moves
7 Rh1 loss in 8 half-moves
8 Rg2 loss in 6 half-moves
9 Rg3 loss in 6 half-moves
10 Kd1 loss in 4 half-moves
11 Rd1 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves