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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka6 win in 3 half-moves
3 Ra5 win in 5 half-moves
4 K7b7 draw
5 K7b8 draw
6 K8b7 draw
7 K8b8 draw
8 Kb6 draw
9 Rb6 draw
10 Rb7 draw
11 Rb8 draw
12 Rf5 draw
13 Rg5 draw
14 Rh5 draw
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves