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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ra8 win in 7 half-moves
3 Rc8 win in 7 half-moves
4 Rd8 draw
5 Rg2 draw
6 Rg3 draw
7 Rg4 draw
8 Rg5 draw
9 Rh8 draw
10 K5a6 loss in 2 half-moves
11 K5b6 loss in 2 half-moves
12 K7a6 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Kb8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves