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 Ra5 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb6 draw
14 Rb8 draw
15 Rc5 draw
16 Rd5 draw
17 Re5 draw
18 Rf5 draw
19 Rh5 draw
20 Rb7 loss in 2 half-moves
21 Rg5 loss in 2 half-moves