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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Rf1 draw
3 Rf2 draw
4 Rf4 draw
5 Rf7 draw
6 Rf8 draw
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Kd4 loss in 1 half-moves
20 Ke4 loss in 1 half-moves
21 Kf4 loss in 1 half-moves