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 Rh8 win in 7 half-moves
4 K6b6 draw
5 K6b7 draw
6 K7b6 draw
7 K7b7 draw
8 Ka5 draw
9 Ka8 draw
10 Kb5 draw
11 Kb8 draw
12 Rc1 draw
13 Rc5 draw
14 Rc6 draw
15 Rc7 draw
16 Rg8 draw
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves