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

EGTB: win in 6 half-moves

# move score
1 Rf4 win in 5 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 R1a2 draw
8 R4a2 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Ra8 draw
13 Rb4 draw
14 Rc4 draw
15 Rd4 draw
16 Re4 draw
17 Rg4 draw
18 Rh4 draw
19 R1a3 loss in 2 half-moves
20 R4a3 loss in 2 half-moves
21 Rb1 loss in 2 half-moves