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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb4 draw
3 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Ra8 draw
7 Rb3 draw
8 Rb5 draw
9 Rb6 draw
10 Rc8 draw
11 Rf8 draw
12 Kb6 loss in 14 half-moves
13 Kb5 loss in 10 half-moves
14 Rh8 loss in 4 half-moves
15 Kc4 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves