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