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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb6 win in 7 half-moves
4 Rb7 win in 9 half-moves
5 K6b6 draw
6 K6b7 draw
7 K6d6 draw
8 K6d7 draw
9 K7b6 draw
10 K7b7 draw
11 K7d6 draw
12 K7d7 draw
13 Kb5 draw
14 Kb8 draw
15 Kc5 draw
16 Kc8 draw
17 Kd5 draw
18 Kd8 draw
19 Ra3 draw
20 Rb4 draw
21 Rg3 draw
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rh3 loss in 2 half-moves