Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Kd6 draw
6 Kd7 draw
7 Ra5 draw
8 Rb2 draw
9 Rb4 draw
10 Rb6 draw
11 Rb7 draw
12 Rb8 draw
13 Rc5 draw
14 Re5 draw
15 Rf5 draw
16 Rg5 draw
17 Rh5 draw
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rd5 loss in 2 half-moves