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