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

EGTB: win in 4 half-moves

# move score
1 Kaa7 win in 3 half-moves
2 Kab5 win in 3 half-moves
3 Kab7 win in 3 half-moves
4 Kba7 win in 3 half-moves
5 Kbb7 win in 3 half-moves
6 Kaa5 win in 5 half-moves
7 Kbb5 win in 5 half-moves
8 Kba5 win in 7 half-moves
9 Rc4 win in 7 half-moves
10 Kc5 draw
11 Kc6 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Rb4 draw
16 Rd4 draw
17 Re4 draw
18 Kc7 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves