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 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Kg1 draw
8 Kg2 draw
9 Kh2 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Rf8 draw
14 Rg8 draw
15 Rh2 draw
16 Rh3 draw
17 Rh4 draw
18 Rh5 draw
19 Rh6 draw
20 Rh7 draw
21 Re8 loss in 1 half-moves