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

EGTB: win in 4 half-moves

# move score
1 K6b6 win in 3 half-moves
2 K6b7 win in 3 half-moves
3 K6d7 win in 3 half-moves
4 K7b6 win in 3 half-moves
5 K7b7 win in 3 half-moves
6 Kb8 win in 3 half-moves
7 Rf5 win in 3 half-moves
8 Rf8 win in 3 half-moves
9 K6d6 draw
10 K7d6 draw
11 K7d7 draw
12 Kc8 draw
13 Kd8 draw
14 Re6 draw
15 Rf4 draw
16 Rf7 draw
17 Rg6 draw
18 Rh6 draw
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rf3 loss in 2 half-moves