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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Rf1 draw
9 Rg5 draw
10 Rh1 draw
11 Ke7 loss in 4 half-moves
12 Ke8 loss in 4 half-moves
13 Rg7 loss in 4 half-moves
14 Ra1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg8 loss in 2 half-moves