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 Rb1 draw
3 Rb5 draw
4 Rd2 draw
5 Re2 draw
6 Rf2 draw
7 Rg2 draw
8 Ka5 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kaa7 loss in 2 half-moves
11 Kab6 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kba7 loss in 2 half-moves
15 Kbb6 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 Ra2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves