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

EGTB: win in 4 half-moves

# move score
1 Rd2 win in 3 half-moves
2 Rc7 draw
3 Rd1 draw
4 Rd5 draw
5 Rd8 draw
6 Rf7 draw
7 Rh7 draw
8 Ka2 loss in 2 half-moves
9 Ka4 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves