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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kd7 draw
7 Ke5 draw
8 Ke6 draw
9 Ke7 draw
10 Rc5 draw
11 Rd1 draw
12 Rd2 draw
13 Rd3 draw
14 Rd4 draw
15 Re5 draw
16 Rf5 draw
17 Rg5 draw
18 Rh5 draw
19 Kc5 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Ra5 loss in 1 half-moves