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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Re1 draw
3 Rf1 draw
4 Rg3 draw
5 Rg4 draw
6 Rg5 draw
7 Rg6 draw
8 Ka1 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Kab1 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kcb1 loss in 2 half-moves
15 Kcb2 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh1 loss in 2 half-moves