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

EGTB: win in 4 half-moves

# move score
1 Kaa6 win in 3 half-moves
2 Kab6 win in 3 half-moves
3 Kbb6 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Ra4 win in 3 half-moves
6 Rc6 win in 3 half-moves
7 Rc7 win in 3 half-moves
8 Kaa8 draw
9 Kab8 draw
10 Kba6 draw
11 Kba8 draw
12 Kbb8 draw
13 Kc7 draw
14 Kc8 draw
15 Rb4 draw
16 Rc3 draw
17 Rc5 draw
18 Rc8 draw
19 Rd4 draw
20 Rh4 draw
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves