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