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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kaa2 draw
3 Kaa4 draw
4 Kab2 draw
5 Kab4 draw
6 Kba2 draw
7 Kba4 draw
8 Kbb2 draw
9 Kbb4 draw
10 Ra7 draw
11 Rb7 draw
12 Rg1 draw
13 Rg6 draw
14 Rg8 draw
15 Rh7 draw
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg5 loss in 2 half-moves