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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Rd3 win in 3 half-moves
4 Ra3 draw
5 Re3 draw
6 Rf3 draw
7 Rg1 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 K7b7 loss in 2 half-moves
12 K7b8 loss in 2 half-moves
13 K7d7 loss in 2 half-moves
14 K7d8 loss in 2 half-moves
15 K8b7 loss in 2 half-moves
16 K8b8 loss in 2 half-moves
17 K8d7 loss in 2 half-moves
18 K8d8 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd6 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
25 Rh3 loss in 2 half-moves