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

EGTB: win in 4 half-moves

# move score
1 Kab6 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kaa6 draw
4 Kaa8 draw
5 Kab8 draw
6 Kba6 draw
7 Kba8 draw
8 Kbb6 draw
9 Kbb8 draw
10 Kc7 draw
11 Kc8 draw
12 Ra4 draw
13 Rb1 draw
14 Rb2 draw
15 Rb3 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves