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 Ra4 draw
3 Rb4 draw
4 Rc6 draw
5 Rc7 draw
6 Rc8 draw
7 Rd4 draw
8 Rg4 draw
9 Rh4 draw
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Kcd2 loss in 1 half-moves
22 Kcd3 loss in 1 half-moves
23 Kcd4 loss in 1 half-moves
24 Ked2 loss in 1 half-moves
25 Ked3 loss in 1 half-moves
26 Ked4 loss in 1 half-moves