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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka6 win in 3 half-moves
3 Rf7 win in 5 half-moves
4 Ka1 draw
5 Ka3 draw
6 Ka7 draw
7 Kb1 draw
8 Kb2 draw
9 Kb3 draw
10 Kb5 draw
11 Kc5 draw
12 Kc6 draw
13 Kc7 draw
14 Rc6 draw
15 Rd6 draw
16 Re6 draw
17 Rf1 draw
18 Rf2 draw
19 Rf8 draw
20 Kb7 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves