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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Ke4 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Kc6 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves