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 Ka7 draw
3 Kh7 draw
4 Ra5 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb6 draw
9 Rc5 draw
10 Rh5 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves