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

EGTB: win in 4 half-moves

# move score
1 Kab8 win in 3 half-moves
2 Kbb8 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Ra5 win in 3 half-moves
5 Rc7 win in 3 half-moves
6 Rc8 win in 3 half-moves
7 Kaa8 win in 5 half-moves
8 Kaa6 draw
9 Kab6 draw
10 Kba6 draw
11 Kba8 draw
12 Kbb6 draw
13 Kc6 draw
14 Rb5 draw
15 Rc1 draw
16 Rc6 draw
17 Rd5 draw
18 Re5 draw
19 Rf5 draw
20 Kc7 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves