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 Kc6 draw
3 Kd6 draw
4 Ke6 draw
5 Ke7 draw
6 Ke8 draw
7 Ra5 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Rg5 draw
12 Kc7 loss in 4 half-moves
13 Kc8 loss in 4 half-moves
14 Kd8 loss in 4 half-moves
15 Rh5 loss in 4 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf3 loss in 1 half-moves