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 Rg3 draw
3 Rg4 draw
4 Rg5 draw
5 Rg6 draw
6 Rh1 draw
7 Ka2 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kbb2 loss in 2 half-moves
13 Kbc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kcb2 loss in 2 half-moves
17 Kcc2 loss in 2 half-moves
18 Kd1 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves