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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Rb4 draw
7 Rc4 draw
8 Rd6 draw
9 Rd7 draw
10 Rd8 draw
11 Ra4 loss in 10 half-moves
12 Ka6 loss in 6 half-moves
13 Rd1 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rd5 loss in 1 half-moves