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 Kc7 win in 3 half-moves
7 Ra5 win in 3 half-moves
8 Rc1 win in 5 half-moves
9 Kc5 win in 9 half-moves
10 Kaa5 draw
11 Kba5 draw
12 Kbb5 draw
13 Kc6 draw
14 Rb1 draw
15 Rd1 draw
16 Re1 draw
17 Rf1 draw
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves