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 Rg4 win in 3 half-moves
4 Rg5 win in 3 half-moves
5 Rb8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rg3 draw
10 Ka1 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 K2a3 loss in 1 half-moves
22 K2b3 loss in 1 half-moves
23 K4a3 loss in 1 half-moves
24 K4b3 loss in 1 half-moves