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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb4 draw
6 Kb6 draw
7 Kc4 draw
8 Kc5 draw
9 Kc6 draw
10 Ra4 draw
11 Rb4 draw
12 Rc4 draw
13 Rd1 draw
14 Rd2 draw
15 Rd3 draw
16 Rd5 draw
17 Re4 draw
18 Rd6 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves