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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 K7b7 draw
3 K7b8 draw
4 K7d7 draw
5 K7d8 draw
6 K8b7 draw
7 K8b8 draw
8 K8d7 draw
9 K8d8 draw
10 Kb6 draw
11 Kc6 draw
12 Kd6 draw
13 Rc6 draw
14 Re6 draw
15 Rf6 draw
16 Rg1 draw
17 Rg5 draw
18 Rg7 draw
19 Rg8 draw
20 Rh6 draw
21 Ra6 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves