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 Kb5 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 Re3 win in 5 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kb3 draw
9 Kb7 draw
10 Kc3 draw
11 Kc5 draw
12 Kc7 draw
13 Kc8 draw
14 Kd3 draw
15 Kd4 draw
16 Kd5 draw
17 Rb5 draw
18 Rd5 draw
19 Re1 draw
20 Re2 draw
21 Re4 draw
22 Rf5 draw
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh5 loss in 2 half-moves