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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Nd6 win in 5 half-moves
3 Nh6 win in 5 half-moves
4 Nd8 draw
5 Nh8 draw
6 Ra8 draw
7 Rb8 draw
8 Rc1 draw
9 Rc2 draw
10 Rc5 draw
11 Rc6 draw
12 Rc7 draw
13 Rd8 draw
14 Re8 draw
15 Rf8 draw
16 Ne5 loss in 2 half-moves
17 Ng5 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rg8 loss in 2 half-moves