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 Kc4 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Re2 win in 3 half-moves
6 Re3 win in 3 half-moves
7 Rf5 win in 7 half-moves
8 Rh5 win in 7 half-moves
9 Kb2 draw
10 Kb3 draw
11 Kc2 draw
12 Re1 draw
13 Re8 draw
14 Rg5 draw
15 Kd4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re7 loss in 2 half-moves