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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kg4 win in 3 half-moves
3 Kh4 win in 3 half-moves
4 Kg7 draw
5 Kg8 draw
6 Kh2 draw
7 Kh7 draw
8 Ra8 draw
9 Rc3 draw
10 Rc4 draw
11 Rc5 draw
12 Rc6 draw
13 Rc7 draw
14 Rg8 draw
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves