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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kd4 draw
6 Kd5 draw
7 Kd6 draw
8 Re5 draw
9 Re6 draw
10 Rf4 draw
11 Rg4 draw
12 Rh4 draw
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves