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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kd5 draw
3 Rb6 loss in 30 half-moves
4 Kc7 loss in 18 half-moves
5 Rb8 loss in 16 half-moves
6 Kb6 loss in 14 half-moves
7 Kc5 loss in 14 half-moves
8 Rb7 loss in 14 half-moves
9 Kb7 loss in 10 half-moves
10 Kd6 loss in 4 half-moves
11 Kd7 loss in 4 half-moves
12 Ra5 loss in 4 half-moves
13 Rf5 loss in 4 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 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 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves