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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rb8 win in 3 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 Ra1 draw
13 Rb5 draw
14 Rc1 draw
15 Rg1 draw
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves