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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kc1 draw
6 Kc3 draw
7 Kcd1 draw
8 Kcd2 draw
9 Kd3 draw
10 Ke2 draw
11 Ked1 draw
12 Ked2 draw
13 Kf1 draw
14 Kf2 draw
15 Ra1 draw
16 Ra2 draw
17 Ra3 draw
18 Ra5 draw
19 Re4 draw
20 Rg4 draw
21 Rh4 draw
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves