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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Rf1 draw
3 Rf2 draw
4 Rf3 draw
5 Rf4 draw
6 Rf8 draw
7 Rg7 draw
8 Rh7 draw
9 Ka6 loss in 2 half-moves
10 Kba7 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kaa7 loss in 1 half-moves
15 Kab8 loss in 1 half-moves
16 Kbb8 loss in 1 half-moves
17 Rc7 loss in 1 half-moves
18 Rd7 loss in 1 half-moves
19 Re7 loss in 1 half-moves
20 Rf5 loss in 1 half-moves
21 Rf6 loss in 1 half-moves