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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd5 draw
8 Kd6 draw
9 Ra4 draw
10 Rb4 draw
11 Rc4 draw
12 Rd1 draw
13 Rd2 draw
14 Rd3 draw
15 Rd5 draw
16 Rd6 draw
17 Re4 draw
18 Rd7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves