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

EGTB: win in 16 half-moves

# move score
1 Ra4 win in 15 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kbb8 draw
7 Kc6 draw
8 Kcb8 draw
9 Kcc7 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Rh4 draw
18 Kbc7 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves