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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Rh1 win in 5 half-moves
4 Rh2 win in 5 half-moves
5 Rh3 win in 5 half-moves
6 Kb1 draw
7 Kb2 draw
8 Kc1 draw
9 Kcd2 draw
10 Kd1 draw
11 Kd4 draw
12 Kdd2 draw
13 Ke2 draw
14 Ke3 draw
15 Ke4 draw
16 Rc8 draw
17 Rf8 draw
18 Rg8 draw
19 Rh7 draw
20 Kb3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kcc3 loss in 2 half-moves
23 Kdc3 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves
28 Rh6 loss in 2 half-moves