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 Kb6 draw
3 Kc4 draw
4 Kc6 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Rb5 draw
9 Rd7 draw
10 Ra7 loss in 10 half-moves
11 Kb4 loss in 4 half-moves
12 Kb5 loss in 4 half-moves
13 Rc7 loss in 4 half-moves
14 Re7 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rf7 loss in 1 half-moves
21 Rg7 loss in 1 half-moves
22 Rh7 loss in 1 half-moves