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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Re5 win in 5 half-moves
3 Re6 win in 5 half-moves
4 Re7 win in 5 half-moves
5 Ka5 draw
6 Ka6 draw
7 Ka7 draw
8 Kb1 draw
9 Kb5 draw
10 Kb7 draw
11 Kc2 draw
12 Kc6 draw
13 Kc7 draw
14 Kd1 draw
15 Kd2 draw
16 Ra3 draw
17 Rb3 draw
18 Rc3 draw
19 Rd3 draw
20 Re4 draw
21 Re8 draw
22 Rf3 draw
23 Kc5 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves