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

EGTB: win in 4 half-moves

# move score
1 Rd3 win in 3 half-moves
2 Rg1 draw
3 Rg6 draw
4 Rg7 draw
5 Rg8 draw
6 Rh3 draw
7 K3b3 loss in 2 half-moves
8 K3b4 loss in 2 half-moves
9 K3d3 loss in 2 half-moves
10 K3d4 loss in 2 half-moves
11 K4b3 loss in 2 half-moves
12 K4b4 loss in 2 half-moves
13 K4d3 loss in 2 half-moves
14 K4d4 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves