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 Rh8 win in 7 half-moves
5 K6b6 win in 9 half-moves
6 K6b7 win in 9 half-moves
7 K7b7 win in 9 half-moves
8 Kb5 win in 9 half-moves
9 Ka5 win in 11 half-moves
10 K7b6 draw
11 Ka8 draw
12 Kb8 draw
13 Rg1 draw
14 Rg6 draw
15 Rg7 draw
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves