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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rf4 win in 3 half-moves
3 Ra8 draw
4 Rf2 draw
5 Rf3 draw
6 Rf5 draw
7 Rg8 draw
8 Rh8 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kcc3 loss in 2 half-moves
15 Kcd2 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kdc3 loss in 2 half-moves
19 Kdd2 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rf7 loss in 2 half-moves