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

EGTB: win in 4 half-moves

# move score
1 Kaa5 win in 3 half-moves
2 Kab5 win in 3 half-moves
3 Kba5 win in 3 half-moves
4 Kbb5 win in 3 half-moves
5 Rf5 win in 3 half-moves
6 Ra6 win in 5 half-moves
7 Rc6 win in 5 half-moves
8 Kaa3 draw
9 Kab3 draw
10 Kba3 draw
11 Kbb3 draw
12 Kc3 draw
13 Kc4 draw
14 Kc5 draw
15 Rb6 draw
16 Rd6 draw
17 Re6 draw
18 Rf1 draw
19 Rf7 draw
20 Rf8 draw
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves