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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rg2 win in 3 half-moves
3 Rb6 draw
4 Rc6 draw
5 Rd6 draw
6 Rf6 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Kaa2 loss in 2 half-moves
11 Kab2 loss in 2 half-moves
12 Kba2 loss in 2 half-moves
13 Kbb2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh6 loss in 2 half-moves