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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Kb6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Ra3 loss in 1 half-moves
20 Rc3 loss in 1 half-moves
21 Rd3 loss in 1 half-moves
22 Re3 loss in 1 half-moves