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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ra1 draw
3 Kb3 loss in 2 half-moves
4 Kb4 loss in 2 half-moves
5 Kcc2 loss in 2 half-moves
6 Kcc4 loss in 2 half-moves
7 Kcd2 loss in 2 half-moves
8 Kcd4 loss in 2 half-moves
9 Kdc2 loss in 2 half-moves
10 Kdc4 loss in 2 half-moves
11 Kdd2 loss in 2 half-moves
12 Kdd4 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves