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 Kb6 draw
3 Kcb5 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Rc1 draw
8 Rc2 draw
9 Rc3 draw
10 Rg4 draw
11 Ka3 loss in 1 half-moves
12 Ka4 loss in 1 half-moves
13 Ka5 loss in 1 half-moves
14 Kb3 loss in 1 half-moves
15 Kbb5 loss in 1 half-moves
16 Kc3 loss in 1 half-moves
17 Kc6 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re4 loss in 1 half-moves
20 Rf4 loss in 1 half-moves