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 Rd5 draw
4 Rd6 draw
5 Rd7 draw
6 Rd8 draw
7 Re4 draw
8 Rg4 draw
9 Rh4 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kcd1 loss in 2 half-moves
16 Kcd2 loss in 2 half-moves
17 Kcd3 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ked1 loss in 2 half-moves
21 Ked2 loss in 2 half-moves
22 Ked3 loss in 2 half-moves
23 Kf1 loss in 2 half-moves
24 Kf2 loss in 2 half-moves
25 Kf3 loss in 2 half-moves
26 Rb4 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Rd2 loss in 2 half-moves
30 Rd3 loss in 2 half-moves