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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kcd3 win in 3 half-moves
4 Kcd5 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Re8 win in 3 half-moves
7 Kb4 draw
8 Kcc3 draw
9 Kcc5 draw
10 Kdc3 draw
11 Kdc5 draw
12 Kdd3 draw
13 Kdd5 draw
14 Ke3 draw
15 Ke4 draw
16 Ke5 draw
17 Ra8 draw
18 Rd8 draw
19 Rf8 draw
20 Rc5 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves