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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb4 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Kd6 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Rb8 draw
11 Rd7 draw
12 Ra7 loss in 6 half-moves
13 Kb5 loss in 4 half-moves
14 Kd5 loss in 4 half-moves
15 Rc7 loss in 4 half-moves
16 Kd4 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rg7 loss in 1 half-moves