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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kf6 win in 3 half-moves
4 Re6 win in 3 half-moves
5 Rf4 win in 5 half-moves
6 Ke6 win in 7 half-moves
7 Kd7 win in 9 half-moves
8 Ka5 draw
9 Ka7 draw
10 Kb5 draw
11 Kb6 draw
12 Kd8 draw
13 Ke8 draw
14 Kf7 draw
15 Kf8 draw
16 Ra4 draw
17 Re3 draw
18 Re5 draw
19 Rg4 draw
20 Rh4 draw
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Re2 loss in 2 half-moves