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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Ka3 draw
5 Ka5 draw
6 Kab3 draw
7 Kab4 draw
8 Kc3 draw
9 Kc5 draw
10 Kcb3 draw
11 Kcb4 draw
12 Kcb5 draw
13 Kd3 draw
14 Kd4 draw
15 Ra6 draw
16 Rb1 draw
17 Rb2 draw
18 Rb4 draw
19 Rc6 draw
20 Rg6 draw
21 Rh6 draw
22 Kd5 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Rd6 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Rf6 loss in 2 half-moves