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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kd2 draw
7 Ke2 draw
8 Ke4 draw
9 Kf3 draw
10 Kf4 draw
11 Rc1 draw
12 Rc2 draw
13 Rc6 draw
14 Rc7 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rh8 draw
19 Kd3 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rc5 loss in 2 half-moves