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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kcc3 win in 3 half-moves
3 Rf2 win in 3 half-moves
4 Rf5 win in 3 half-moves
5 Ke4 win in 5 half-moves
6 Kb3 draw
7 Kc2 draw
8 Kcd4 draw
9 Kd2 draw
10 Kdc3 draw
11 Kdd4 draw
12 Ke2 draw
13 Ke3 draw
14 Rf1 draw
15 Rf3 draw
16 Rf6 draw
17 Rg4 draw
18 Rh4 draw
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves