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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kc5 win in 3 half-moves
3 Kc6 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rc1 draw
7 Rc2 draw
8 Ka5 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kaa7 loss in 2 half-moves
11 Kab7 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kba7 loss in 2 half-moves
15 Kbb7 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves