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 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Ka5 draw
7 Kb5 draw
8 Kb6 draw
9 Kb8 draw
10 Ra3 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rc3 draw
15 Rh3 draw
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves