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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Ra4 win in 5 half-moves
5 Ka6 draw
6 Ka7 draw
7 Ka8 draw
8 Kbb6 draw
9 Kbb8 draw
10 Kbc6 draw
11 Kbc8 draw
12 Kcb6 draw
13 Kcb8 draw
14 Kcc6 draw
15 Kcc8 draw
16 Kd6 draw
17 Kd7 draw
18 Kd8 draw
19 Re4 draw
20 Rf4 draw
21 Rg3 draw
22 Rg5 draw
23 Rh4 draw
24 Rb4 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg2 loss in 2 half-moves