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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Rh8 draw
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kdd2 loss in 2 half-moves
6 Kde2 loss in 2 half-moves
7 Ked2 loss in 2 half-moves
8 Kee2 loss in 2 half-moves
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves