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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Rf3 draw
3 Rg5 draw
4 K7b7 loss in 2 half-moves
5 K7b8 loss in 2 half-moves
6 K8b7 loss in 2 half-moves
7 K8b8 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh5 loss in 2 half-moves