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

EGTB: win in 2 half-moves

# move score
1 Rh5 win in 1 half-moves
2 Kb6 draw
3 Kd6 draw
4 Ra5 draw
5 Rb7 draw
6 Rb8 loss in 10 half-moves
7 Rb6 loss in 8 half-moves
8 Kc5 loss in 6 half-moves
9 Kb7 loss in 4 half-moves
10 Kc7 loss in 4 half-moves
11 Kd5 loss in 4 half-moves
12 Kd7 loss in 4 half-moves
13 Rb4 loss in 4 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves