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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Ra3 win in 3 half-moves
7 Rd3 win in 3 half-moves
8 Ka5 draw
9 Ka6 draw
10 Kb4 draw
11 Kbb5 draw
12 Kbc6 draw
13 Kc4 draw
14 Kc7 draw
15 Kcb5 draw
16 Kcc6 draw
17 Rb3 draw
18 Rc3 draw
19 Re1 draw
20 Re2 draw
21 Re8 draw
22 Rf3 draw
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rh3 loss in 2 half-moves