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 Ka7 draw
3 Kb7 draw
4 Rf1 draw
5 Rf7 draw
6 Rf8 draw
7 Ka5 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh5 loss in 2 half-moves