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

EGTB: win in 10 half-moves

# move score
1 Ra4 win in 9 half-moves
2 Rb4 draw
3 Re6 draw
4 Re7 draw
5 Re8 draw
6 Rh4 draw
7 Ka1 loss in 2 half-moves
8 Ka3 loss in 2 half-moves
9 Kab1 loss in 2 half-moves
10 Kab2 loss in 2 half-moves
11 Kab3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kcb1 loss in 2 half-moves
15 Kcb2 loss in 2 half-moves
16 Kcb3 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves