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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Rc2 draw
4 Rd2 draw
5 Rg3 draw
6 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Rh2 draw
10 K6b6 loss in 2 half-moves
11 K6b7 loss in 2 half-moves
12 K7b6 loss in 2 half-moves
13 K7b7 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg8 loss in 2 half-moves