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