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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Rh8 win in 5 half-moves
3 Rf1 draw
4 Rf3 draw
5 Rf5 draw
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves