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