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 Rb5 win in 9 half-moves
4 Ka2 draw
5 Kab2 draw
6 Kb1 draw
7 Kb3 draw
8 Kc2 draw
9 Kcb2 draw
10 Ra5 draw
11 Rc4 draw
12 Rc6 draw
13 Rc7 draw
14 Rc8 draw
15 Rd5 draw
16 Rh5 draw
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg5 loss in 2 half-moves