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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd7 draw
9 Rb3 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Rc8 draw
14 Re8 loss in 22 half-moves
15 Rf8 loss in 22 half-moves
16 Rh8 loss in 22 half-moves
17 Kd6 loss in 4 half-moves
18 Ra8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rb1 loss in 1 half-moves
21 Rb2 loss in 1 half-moves
22 Rg8 loss in 1 half-moves