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 Kc7 draw
3 Kd5 draw
4 Kd7 draw
5 Ke6 draw
6 Ke7 draw
7 Ra5 draw
8 Rc5 draw
9 Rd5 draw
10 Re1 draw
11 Re2 draw
12 Re3 draw
13 Re4 draw
14 Re6 draw
15 Re7 draw
16 Re8 draw
17 Rg5 draw
18 Rh5 draw
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Rf5 loss in 2 half-moves