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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rd1 draw
5 Rf1 draw
6 Rg1 draw
7 Rh1 draw
8 Kaa6 loss in 2 half-moves
9 Kaa8 loss in 2 half-moves
10 Kab6 loss in 2 half-moves
11 Kab8 loss in 2 half-moves
12 Kba6 loss in 2 half-moves
13 Kba8 loss in 2 half-moves
14 Kbb6 loss in 2 half-moves
15 Kbb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Re1 loss in 2 half-moves