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

EGTB: win in 4 half-moves

# move score
1 Kaa4 win in 3 half-moves
2 Kba4 win in 3 half-moves
3 Kab6 win in 5 half-moves
4 Kc5 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kaa6 draw
7 Kba6 draw
8 Kbb6 draw
9 Re3 draw
10 Rf3 draw
11 Rg3 draw
12 Rh3 draw
13 Kab4 loss in 2 half-moves
14 Kbb4 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves