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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ke4 win in 5 half-moves
3 Rf8 win in 5 half-moves
4 Ke5 draw
5 Kf5 draw
6 Kg4 draw
7 Kg5 draw
8 Ra8 draw
9 Rb8 draw
10 Rc4 draw
11 Rc5 draw
12 Rc6 draw
13 Rc7 draw
14 Rh8 draw
15 Ke3 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kg3 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves